🕷️ Crawler Inspector

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1. Shard Calculation

Query:

Response:

Calculated Shard: 56 (from laksa110)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa056.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835\')), getAhrefsUnparsedNoserviceFromURL(\'https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835","crawl_time":1775628317,"first_indexed_time":1757517877,"http_code":200,"src_unparsed":"cc,road!\/content\/review\/brompton-g-line-roller-frame-8-speed-315835 s443","src_root_hash":"13929769512426848856","history_drop_reason":null,"meta_title":"Brompton G Line with Roller Frame 8-speed - Cycling News | Bike Reviews | road.cc","meta_descriptions":[],"attrs_boilerpipe_text":"This review contains links to retailers. Purchases made after clicking on those links may help support road.cc by earning us a commission but all of our reviews are fully independent.\nThe Brompton G Line is described on the company’s website as the ‘first ever Brompton with the ride feel of a full-size bike’, and that’s largely true: this is an easy-to-ride bike that’s very capable on a range of surfaces, and folds down into a very neat package for multi-mode travel. You genuinely can go off and do adventures on this thing, and you’ll have fun, although they won’t be your quickest adventures ever.\n> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton\nUnless you’ve been living under a rock for the last 50 years you’ll probably be aware of the Brompton, which with its 16-inch wheels and brilliantly simple fold is one of the most recognisable and popular folding bikes in the world. The G Line is the first Brompton that moves away from that wheel size.\nWith its 20-inch wheels, big-chamber Schwalbe G-One Allround tyres, hydraulic disc brakes and Alfine 8-speed hub gear, it’s very much been marketed as a go-on-adventures bike – lots of social videos of the bike in kayaks and up mountains, that kind of thing. We’ll get to all of that, but personally I think it’s a bit of a smokescreen for something that Brompton has probably wanted to make for a while, which is just: a bigger bike.\nBrompton G Line: Ride\nI’ll be upfront here – I don’t get on all that well with ‘normal’ Bromptons. This is because I’m a big rider, tall (1.89m) and heavy (100kg), and the one-size-fits-all geometry just doesn’t work all that well at my end of the bell curve. I can ride a Brompton fine, but it’s not that enjoyable. (It’s not me in the pics, by the way, that’s Stu.)\n2025 Bromton G Line riding-2 (Image Credit: Farrelly Atkinson)\nThe G Line is much, much better. You’re still getting the same UK-built hand-brazed steel frame, and the excellent fold, and the attention to detail, but in a significantly bigger package. The bike has a longer reach, and a longer wheelbase, and position-wise it just feels more like a normal bike. The three sizes – S, M, L – all use the same frame but swap out seatposts and handlebar components to offer a bit more room the bigger you go.\n2025 Brompton G Line - brompton decal (Image Credit: Farrelly Atkinson)\nThe change is most noticeable when you’re standing up out of the saddle on a steep climb. Standing up on a 16in-wheeled Brompton isn’t that much fun, or even that effective – the bike doesn’t respond well to the change in weight distribution and I always felt a bit vulnerable. The first time I tried it on the G Line was a revelation, because it just feels completely normal. \n2025 Bromton G Line riding-5 (Image Credit: Farrelly Atkinson)\nIn fact, the bike feels entirely normal for 90 per cent of the time you’re riding it. There are some things it doesn’t do all that well (more on that in a bit) but if you’re mostly riding the bike on decent surfaces and occasionally hitting rougher terrain then there’s a lot to like about the ride.\n2025 Bromton G Line riding-6 (Image Credit: Farrelly Atkinson)\nIt’s very composed, and the combination of big tyres and the elastomer in the rear make it pretty comfortable too. This isn’t the kind of bike you tear down descents on, or lean hard into corners, but I never really got myself into trouble, even off-road. The hydraulic disc brakes are certainly a boon when it comes to scrubbing off some speed.\n2025 Bromton G Line - rear disc (Image Credit: Farrelly Atkinson)\nWe’ve talked about standing up and I found myself doing that a fair bit, because for me the bike is a bit overgeared. The Shimano Alfine 8-speed hub gear is an excellent unit, but the 306% range isn’t enormous; a 1x setup with an 11-42T cassette is about 380%, and a 50\/34 double with an 11-34T cassette is over 450%. That means there’s some compromise in terms of where to put the gears, and Brompton has opted for a 54-tooth chainring and 20-tooth sprocket, which gives an effective range of 28.9 to 88.5 in old-fashioned gear inches, or 2.31m to 7.06m of development.\n2025 Bromton G Line - hub gear (Image Credit: Farrelly Atkinson)\nThose numbers may or may not mean anything to you, but the lowest gear isn’t all that low; my standard single-ring gravel bike is about 15 per cent lower at the bottom end, and even that’s not geared especially spinny. Of course, if you move the goalposts then all the gears shift, and the top gear isn’t especially high either, but that was less of an issue for me. If I were to buy one of these, I’d probably swap out the chainring for something a bit smaller. I am a big lad, though.\n2025 Bromton G Line - chainset (Image Credit: Farrelly Atkinson)\nI found most of this out – or was found out, depending on how you look at it – on one of my main testing rides, which was an attempted 200km audax where we caught the train down to Southampton and rode back in the direction of Bath, over a variety of surfaces. About half of it was unsurfaced, and some of it was very slow going. There’s a write-up of the ride\nhere\n, but the TL;DR is that I was cooked by the time we got to Shaftesbury, 130km in, and I limped back to Warminster and got on the train the rest of the way. A 160km day in total.\nDave RRtY August-8 (Image Credit: Farrelly Atkinson)\nThe reason I didn’t finish was entirely down to the fact that I’d bitten off more than I could chew. Had I done the route on my ‘normal’ gravel bike (a Cannondale Topstone Carbon), I reckon I would have been okay, just about. And if I’d trained it down to the coast and ridden the Brompton back on the tarmac that would likely have been successful too. But the combination of Brompton\nand\n gravel was just a bit much that day, and even if I hadn’t run out of puff we probably would have run out of time.\n2025 Bromton G Line - chain tensioner (Image Credit: Farrelly Atkinson)\nWhy? Well, the Brompton G Line isn’t quick. It’s very well built and easy to ride, but it’s still a 15kg bike with a hub gear and small wheels and big tyres. You can’t go as fast as you do on your fancy-pants lightweight 700C derailleur-geared bike for the same effort – that’s just physics.\n2025 Bromton G Line riding-3 (Image Credit: Farrelly Atkinson)\nFor a lot of the bikepacking and touring that Brompton is suggesting this bike would be good for, that’s not a problem, because you’re unlikely to be attempting to knock out a big ride against a deadline. But still, it’s worth knowing. Smaller-wheeled Bromptons can be pretty light and nippy: for the same money as the G Line you can have a sub-10kg\nP Line\n and those things go like stink. You need to adjust your filter here.\n> Buyer’s Guide: Best folding bikes — portable bikes for convenient commuting\nAlso, small wheels have their limits off-road. I’ll preface this by saying I was genuinely impressed by how well the G Line handles once you leave the tarmac. Our audax ride had a bit of everything – well-graded railway paths, sandy New Forest heathland, rocky bridleways, even a mountain bike trail with North Shore-style wooden boards – and it coped admirably. I was only actually defeated twice: once on some hateful climb somewhere near Blandford Forum that a kind farmer had helpfully resurfaced with golf ball-sized rocks so he could get his excavator up and down it. And once on Gold Hill in Shaftesbury, where the combination of an overgeared bike, small wheels and lumpy cobbles was enough to force me into walk mode near the top.\n2025 Bromton G Line - tyre (Image Credit: Farrelly Atkinson)\nEverything else was rideable, but not everything else was fun. Sand is especially bad on small wheels, which dig in and rob you of all your speed, and there was a lot of that in the first few hours of the ride. All of which is to say: if you want to go out and do adventures, you definitely can. But some bits might be tough.\nBrompton G Line: Load & fold\nTalking of adventures, the G Line is set up to take plenty of luggage. Our test bike came with the roller frame, which both gives you somewhere to hang your panniers and also lets you push the bike around easily once it’s folded.\n2025 Bromton G Line - rack and rollers (Image Credit: Farrelly Atkinson)\nFolding the G Line is as easy as folding any other Brompton, which is to say it’s important to learn how to do the things in the right order, but once you’ve got that dialled it genuinely takes seconds. It folds to 28.3 x 26.2 x 16in (72 x 67 x 41cm), compared with 25.3 x 23 x 10.6in for the P Line.\n2025 Bromton G Line - folded (Image Credit: Farrelly Atkinson)\nI actually found it easier than a standard Brompton, firstly because it’s a bit bigger, and secondly because the frame and steerer clamps are a better design and locate in place more easily. One thing to note, though, is that it’s not especially stable – it’ll sit fine on its wheels, but there’s more weight on the handlebar side and it wants to fall that way. Also, be careful you pay attention on sloped railway platforms in case the bike just rolls off towards the tracks and an oncoming train. Just saying.\n2025 Bromton G Line - front hinges (Image Credit: Farrelly Atkinson)\nI fitted panniers just to prove I could, but mostly I used an ancient AGU rack-top bag that was a good fit for the rear rack and held enough stuff for a day ride. You have to take that off before you fold the bike, obviously, and the same for panniers. The bike can also be used with Brompton’s front-mounted bags, and there are some specific G Line ones available.\n2025 Bromton G Line - front bag mount (Image Credit: Farrelly Atkinson)\nIf you’re on a long ride you’re going to need fluids, and the G Line helpfully has two sets of bottle cage mounts. There’s one on the inside of the stem, which is the one I used because it’s easy to access. The alloy fork has another set on one side (the side facing out when it’s folded) and you could use that for a second bottle or for more luggage space.\n2025 Bromton G Line - fork mount (Image Credit: Farrelly Atkinson)\nGiven that it’s not a big bike you can fit plenty of stuff on it in a variety of ways: the flat handlebar would take a small bar roll, and you could fit a big seatpack.\n2025 Bromton G Line - handlebars (Image Credit: Farrelly Atkinson)\nBrompton G Line: Tour de force\nWould I use it for a loaded tour? I can definitely see the appeal, especially if you’re planning a tour that involves trains. Let’s be honest, travelling with any bike on any UK train is an enormous ball-ache, and travelling with a loaded bike just makes it worse. I love the fact that the G Line is capable enough to take all your luggage, nice to ride, and still folds up small enough that you can give your local Train Operating Company two fingers and get on whatever service you fancy.\nOr you could even head over to the continent: taking it on the tube to St Pancras is no problem, and neither is the Eurostar (although you will need a bag for it). So long as you’re in no hurry to get home again, it’s a great companion.\n2025 Bromton G Line riding-4 (Image Credit: Farrelly Atkinson)\nIf your ambitions are more modest, it’s a great bike for year-round commuting. Stick it in the car boot or roll it onto the train and it’s not going to let you down. The low-maintenance drivetrain and full mudguards mean it’s set up to cope with all the weather, and the big tyres will be welcome if your urban roads are anything like ours.\nCheck out our guide to the\nbest bikes for commuting\n, for more options.\nBrompton G Line: Value and conclusion\nAt £2,499 it’s not cheap, but in terms of the Brompton range it’s very much in the middle. You can spend over four grand on a sub-8kg T Line Ultralight, and even a no-frills A Line is a grand these days. If I was going to buy a Brompton, it’s the Brompton I’d buy. I like the ride and the versatility of the bigger wheels and frame, I prefer the dependable hub gear and disc brakes over the more esoteric options on the 16-inch bikes, and I don’t need the more compact fold.\nThere’s really not a lot to directly compare it with either, in terms of similar bikes. We reviewed the\nBirdy Touring\na few years back, a similarly priced folder with a touring bent, but that’s about where the similarities end. As much as any bike is unique, you’d probably say this Brompton is: a gravel-orientated touring folder? I’m in.\n> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton\nVerdict\nA bigger Brompton that’s great for anything from commuting to multi-day adventures\nAll the deals displayed on our review pages are pulled from a constantly updating database feed of the best affiliate deals available. The criteria for deciding on what are the best deals is who is offering the lowest, delivered price. In most cases we will be showing the very best deal available online, but sometimes you may be able to find an item cheaper. If you can please feel free to post a link in the comments box below. To find out more about affiliate links on\nroad.cc\nclick\nhere\n.\nroad.cc test report\nMake and model:\nBrompton G Line with Roller Frame 8-speed\nSize tested:\nL\nList the components used to build up the bike.\nFrom Brompton:\nGrips: Ergonomic grips\nSeatpost: Small – Standard Black, Medium – Extended Black, Large – Telescopic Black\nSaddle: Superlight\nSeatclamp: G Line Aluminium\nHinge Clamps: Self-aligning hinge clamps\nPedals: Wide Platform Quick Release\nDrivetrain: Brompton 8-speed drivetrain\nNumber of gears: 8 gears\nChainset: 54T\nHeadset: Brompton headset\nShifters: Microshift\nDerailleur: Shimano Alfine Hub System\nRear Wheel: 20″\nFront Wheel: 20″\nTyres: Schwalbe G-One All Round 54-406. Tan wall\nMudguards: Included\nLighting: Reflectors\nPump: Not included\nRack: Included\nBrakes: Tektro Hydraulic Disc brakes with 140mm Rotor\nFront Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage\nOn Bike Accessories: Not included\nWeight: From 14.8 kg\nSpeed: 8-speed\nMaterial: Steel\nFolded Size: 28.3″ \/ 72cm (D), 26.2″ \/ 67cm (H), 16″ \/ 41cm (W)\nMain Frame: Hand-brazed steel main frame\nRear Frame: Steel\nFork: Aluminium fork with mounting bosses\nTell us what the bike is for and who it’s aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike?\nFrom Brompton:\nExpertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry, 20′ wheels, game-changing comfort and capability. All holistically designed around the fold that made us famous. It’s your one-bike solution to the city and beyond.\nG Line. The most versatile bike in the world\nExpertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike.\n20′ wheels\nBig enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20′ wheelset comes equipped with custom-made puncture-resistant tyres.\nHydraulic disc brakes\nSuper dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding.\nWide platform pedals\nThe grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact.\nStay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides.\nErgonomic grips\nEvery touchpoint between you and the bike is designed with comfort and control in mind.\nBig on ride feel, compact in size\nWe created G Line to be the best one-bike solution for the city and beyond, and then we made it a Brompton. The frame geometry is comparable to a full size bike, yet it transforms into a compact package that stores and travels easily. So you can go anywhere.\nThe most capable Brompton ever\nRigorously tested over 250,000 km, first to meet industry standards, then to meet ours, G Line goes where others can’t. Now, you can confidently tackle everything from dusty singletrack to rain-soaked cobbles. This bike does it all with ease.\nGame-changing comfort\nNothing feels like G Line – the entirely new frame, all-new 20′ wheels, our widest ever handlebars and tyres. Everything is thoughtfully engineered to give the balanced feel of a mountain bike and all-day comfort that’s nothing short of joyous. You’ll feel the difference on every ride.\nWhere does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options\nKind of in the middle (price) but also kind of on its own (use case, wheel size).\nOverall rating for frame and fork\n9\/10\nTell us about the build quality and finish of the frame and fork?\nGreat build quality and finish.\nTell us about the materials used in the frame and fork?\nSteel frame, alloy fork.\nTell us about the geometry of the frame and fork?\nIt’s bigger than a 16-inch Brompton with a 1,120mm wheelbase. Stack 697mm, reach 504mm (reach is not directly comparable here because there’s no stem length).\nHow was the bike in terms of height and reach? How did it compare to other bikes of the same stated size?\nIt fitted me very well. Most of my road bikes are ~400mm reach. This is 504mm but directly to the bar, so about equivalent to a 400mm reach bike with a 100mm stem, so I’d expect it to fit me, and it does. Stack is a bit harder to make an equivalent; again it’s to the bar. On a road bike it’d be to the top of the head tube. So you’d add some spacers (say 20mm) and the stem height. Probably that 697mm equates to maybe 650mm on a road bike, which would be pretty upright for me, which is how it feels.\nWas the bike comfortable to ride? Tell us how you felt about the ride quality.\nIt’s a very comfortable bike even over distances you wouldn’t normally attempt on a folder.\nDid the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible?\nIt’s plenty stiff enough for the kind of riding you’ll do.\nHow did the bike transfer power? Did it feel efficient?\nIt’s not the most efficient bike: big tyres, hub gear.\nWas there any toe-clip overlap with the front wheel? If so was it a problem?\nNo issues.\nHow would you describe the steering? Was it lively neutral or unresponsive?\nFairly neutral.\nTell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly?\nNarrowish bar makes the steering feel a bit faster than it really is.\nWhich components had the most effect (good or bad) on the bike’s comfort? would you recommend any changes?\nSaddle was good, bar grips were good but lack of multiple hand positions starts to bite after a while.\nWhich components had the most effect (good or bad) on the bike’s efficiency? would you recommend any changes?\nA derailleur setup would be more efficient but the hub gear makes a lot of sense.\nRate the bike for efficiency of power transfer:\n7\/10\nRate the bike for acceleration:\n6\/10\nRate the bike for sprinting:\n3\/10\nRate the bike for high speed stability:\n7\/10\nRate the bike for cruising speed stability:\n9\/10\nRate the bike for low speed stability:\n8\/10\nRate the bike for flat cornering:\n7\/10\nRate the bike for cornering on descents:\n7\/10\nRate the bike for climbing:\n5\/10\nRate the drivetrain for performance:\n8\/10\nRate the drivetrain for durability:\n9\/10\nRate the drivetrain for weight:\n5\/10\nRate the drivetrain for value:\n6\/10\nTell us some more about the drivetrain. Anything you particularly did or didn’t like? Any components which didn’t work well together?\nA bit overgeared for some of the uses that Brompton pushes in the advertising.\nRate the wheels for performance:\n8\/10\nRate the wheels for durability:\n9\/10\nRate the wheels for weight:\n6\/10\nRate the wheels for comfort:\n9\/10\nRate the wheels for value:\n6\/10\nRate the tyres for performance:\n8\/10\nRate the tyres for durability:\n8\/10\nRate the tyres for weight:\n7\/10\nRate the tyres for comfort:\n9\/10\nRate the tyres for value:\n7\/10\nRate the controls for performance:\n8\/10\nRate the controls for durability:\n8\/10\nRate the controls for weight:\n7\/10\nRate the controls for comfort:\n7\/10\nRate the controls for value:\n6\/10\nAnything else you want to say about the componentry? Comment on any other components (good or bad)\nI think the spec is a really sensible one; there’s nothing I’d change.\nDid you enjoy riding the bike?\nYes\nWould you consider buying the bike?\nYes\nWould you recommend the bike to a friend?\nYes\nHow does the price compare to that of similar bikes in the market, including ones recently tested on road.cc?\nThere really aren’t any bikes that are especially similar…\nRate the bike overall for performance:\n8\/10\nRate the bike overall for value:\n6\/10\nUse this box to explain your overall score\nOverall I’d say this is a very good bike. The majority of people probably won’t go adventuring on it but it makes a lot of sense as an everyday commuter too. It’s not especially quick, but it is fun to ride and copes with a wide range of terrain.\nOverall rating:\n8\n\/10\nAge:\n52  Height: 189cm  \nWeight:\n99kg\nI usually ride:\nwhatever I’m testing…  \nMy best bike is:\nLauf Úthald, Kinesis Tripster ATR, Dward Design fixed\nI’ve been riding for:\nOver 20 years  \nI ride:\nEvery day  \nI would class myself as:\nExpert\nI regularly do the following types of riding:\ncommuting, touring, club rides, general fitness riding, fixed\/singlespeed, Mountain Bike Bog Snorkelling, track","attrs_markdown":"[Skip to content](https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835#content \"Skip to content\")\n\n- [road.cc](https:\/\/road.cc\/)\n- [off.road.cc](https:\/\/road.cc\/offroad)\n- [ebiketips](https:\/\/road.cc\/ebiketips)\n- [Shop](https:\/\/shop.road.cc\/)\n- [About us](https:\/\/road.cc\/about-us)\n- [Subscribe to the road.cc newsletter here](https:\/\/forms.aweber.com\/form\/14\/939269414.htm)\n\n[Log In](https:\/\/road.cc\/roadcc-login) [Register](https:\/\/road.cc\/register)\n\n## Support road.cc\nLike this site? Help us to make it better.\n\n[Subscribe](https:\/\/road.cc\/register)\n\n[![](https:\/\/cdn.road.cc\/wp-content\/uploads\/import\/roadcc.svg)](https:\/\/road.cc\/)\n\n- [News](https:\/\/road.cc\/news)\n- [Reviews](https:\/\/road.cc\/reviews)\n  \n  Close Reviews\n  \n  Open Reviews\n  [Bike](https:\/\/road.cc\/category\/review-section\/bikes)\n  \n  [Components](https:\/\/road.cc\/category\/review-section\/components)\n  \n  [Accessories](https:\/\/road.cc\/category\/review-section\/accessories-0)\n  \n  [Clothing](https:\/\/road.cc\/category\/review-section\/clothing)\n  \n  [Health, fitness and nutrition](https:\/\/road.cc\/category\/review-section\/health-fitness-and-nutrition)\n  \n  [Tools and workshop](https:\/\/road.cc\/category\/review-section\/tools-and-workshop)\n  \n  [Miscellaneous](https:\/\/road.cc\/category\/review-section\/miscellaneous)\n  \n  [Road bikes](https:\/\/road.cc\/category\/review-section\/bikes\/road-bikes)\n  \n  [Sportive and endurance 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[Computers](https:\/\/road.cc\/category\/review-section\/accessories\/computers)\n  \n  [Glasses](https:\/\/road.cc\/category\/review-section\/accessories\/glasses)\n  \n  [GPS units](https:\/\/road.cc\/category\/review-section\/accessories\/gps-units)\n  \n  [Helmets](https:\/\/road.cc\/category\/review-section\/accessories\/helmets)\n  \n  [Lights – front](https:\/\/road.cc\/category\/review-section\/accessories\/lights-front)\n  \n  [Lights – rear](https:\/\/road.cc\/category\/review-section\/accessories\/lights-rear)\n  \n  [Light – sets](https:\/\/road.cc\/category\/review-section\/accessories\/lights-sets)\n  \n  [Locks](https:\/\/road.cc\/category\/review-section\/locks)\n  \n  [Mirrors](https:\/\/road.cc\/category\/review-section\/mirrors)\n  \n  [Mudguards](https:\/\/road.cc\/category\/review-section\/mudguards)\n  \n  [Racks](https:\/\/road.cc\/category\/review-section\/racks)\n  \n  [Pumps & CO2 inflators](https:\/\/road.cc\/category\/review-section\/accessories\/pumps-co2-inflators)\n  \n  [Puncture kits](https:\/\/road.cc\/category\/review-section\/accessories\/puncture-kits)\n  \n  [Reflectives](https:\/\/road.cc\/category\/review-section\/reflectives)\n  \n  [Smart watches](https:\/\/road.cc\/category\/product-type\/smart-watches)\n  \n  [Stands and racks](https:\/\/road.cc\/category\/review-section\/accessories\/stands-and-racks)\n  \n  [Trailers](https:\/\/road.cc\/category\/review-section\/accessories\/trailers)\n  \n  [Arm & leg warmers](https:\/\/road.cc\/category\/review-section\/clothing\/arm-leg-warmers)\n  \n  [Base layers](https:\/\/road.cc\/category\/review-section\/clothing\/base-layers)\n  \n  [Gilets](https:\/\/road.cc\/category\/review-section\/clothing\/gilets)\n  \n  [Gloves – full finger](https:\/\/road.cc\/category\/review-section\/clothing\/gloves-full-finger)\n  \n  [Gloves – mitts](https:\/\/road.cc\/category\/review-section\/clothing\/gloves-mitts)\n  \n  [Headwear](https:\/\/road.cc\/category\/review-section\/clothing\/headwear)\n  \n  [Jackets](https:\/\/road.cc\/category\/review-section\/jackets)\n  \n  [Jerseys – casual](https:\/\/road.cc\/category\/review-section\/clothing\/jerseys-casual)\n  \n  [Jerseys – long sleeve](https:\/\/road.cc\/category\/review-section\/clothing\/jerseys-long-sleeve)\n  \n  [Jerseys – short sleeve](https:\/\/road.cc\/category\/review-section\/clothing\/jerseys-short-sleeve)\n  \n  [Overshoes](https:\/\/road.cc\/category\/review-section\/overshoes)\n  \n  [Shoes](https:\/\/road.cc\/category\/review-section\/shoes)\n  \n  [Shorts & 3\/4s](https:\/\/road.cc\/category\/review-section\/clothing\/shorts-34s)\n  \n  [Skin suits](https:\/\/road.cc\/category\/product-type\/skin-suits)\n  \n  [Socks](https:\/\/road.cc\/category\/review-section\/socks)\n  \n  [Tights & longs](https:\/\/road.cc\/category\/review-section\/tights-longs)\n  \n  [Underwear](https:\/\/road.cc\/category\/review-section\/clothing\/underwear)\n  \n  [Trousers](https:\/\/road.cc\/category\/review-section\/trousers)\n  \n  [Bar tape & grips](https:\/\/road.cc\/category\/review-section\/components\/bar-tape-grips)\n  \n  [Bottom brackets](https:\/\/road.cc\/category\/review-section\/components\/bottom-brackets)\n  \n  [Brake & gear cables](https:\/\/road.cc\/category\/review-section\/components\/brake-cables)\n  \n  [Brake & STI levers](https:\/\/road.cc\/category\/review-section\/components\/brake-sti-levers)\n  \n  [Brake pads & spares](https:\/\/road.cc\/category\/review-section\/components\/brake-pads-spares)\n  \n  [Brakes](https:\/\/road.cc\/category\/review-section\/components\/brakes)\n  \n  [Cassettes & freewheels](https:\/\/road.cc\/category\/review-section\/components\/cassettes-freewheels)\n  \n  [Chains](https:\/\/road.cc\/category\/review-section\/components\/chains)\n  \n  [Chainsets & chainrings](https:\/\/road.cc\/category\/review-section\/components\/chainsets-chainrings)\n  \n  [Derailleurs – front](https:\/\/road.cc\/category\/review-section\/components\/derailleurs-front)\n  \n  [Derailleurs – rear](https:\/\/road.cc\/category\/review-section\/components\/derailleurs-rear)\n  \n  [Forks](https:\/\/road.cc\/category\/review-section\/components\/forks)\n  \n  [Gear levers & shifters](https:\/\/road.cc\/category\/review-section\/components\/levers-shifters)\n  \n  [Groupsets](https:\/\/road.cc\/category\/review-section\/components\/groupsets)\n  \n  [Handlebars & extensions](https:\/\/road.cc\/category\/review-section\/components\/handlebars-extensions)\n  \n  [Headsets](https:\/\/road.cc\/category\/review-section\/components\/headsets)\n  \n  [Hubs](https:\/\/road.cc\/category\/review-section\/components\/hubs)\n  \n  [Inner tubes](https:\/\/road.cc\/category\/review-section\/inner-tubes)\n  \n  [Pedals](https:\/\/road.cc\/category\/review-section\/pedals)\n  \n  [Quick releases & skewers](https:\/\/road.cc\/category\/review-section\/components\/quick-releases-skewers)\n  \n  [Saddles](https:\/\/road.cc\/category\/review-section\/saddles)\n  \n  [Seatposts](https:\/\/road.cc\/category\/review-section\/seatposts)\n  \n  [Stems](https:\/\/road.cc\/category\/review-section\/components\/stems)\n  \n  [Wheels](https:\/\/road.cc\/category\/review-section\/components\/wheels)\n  \n  [Tyres](https:\/\/road.cc\/category\/review-section\/tyres)\n  \n  [Energy & recovery bars](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/energy-recovery-bars)\n  \n  [Energy & recovery drinks](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/energy-recovery-drinks)\n  \n  [Energy & recovery gels](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/energy-recovery-gels)\n  \n  [Heart rate monitors](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/heart-rate-monitors)\n  \n  [Hydration products](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/hydration-products)\n  \n  [Hydration systems](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/hydration-systems)\n  \n  [Indoor trainers](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/indoor-trainers)\n  \n  [Power measurement](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/power-measurement)\n  \n  [Skincare & embrocation](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/skincare-embrocation)\n  \n  [Sun care](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/sun-care)\n  \n  [Training – misc](https:\/\/road.cc\/category\/review-section\/nutrition-and-health\/training-misc)\n  \n  [Cleaning products](https:\/\/road.cc\/category\/review-section\/tools-and-workshop\/cleaning-products)\n  \n  [Lubrication](https:\/\/road.cc\/category\/review-section\/tools-and-workshop\/lubrication)\n  \n  [Tools – multitools](https:\/\/road.cc\/category\/review-section\/tools-and-workshop\/tools-multitools)\n  \n  [Tools – Portable](https:\/\/road.cc\/category\/review-section\/tools-and-workshop\/tools-portable)\n  \n  [Tools – workshop](https:\/\/road.cc\/category\/review-section\/tools-and-workshop\/tools-workshop)\n  \n  [Workstands](https:\/\/road.cc\/category\/product-type\/workstands)\n  \n  [Apps](https:\/\/road.cc\/category\/product-type\/apps)\n  \n  [Books, Maps & DVDs](https:\/\/road.cc\/category\/review-section\/miscellaneous\/books-maps-dvds)\n  \n  [Camping and outdoor equipment](https:\/\/road.cc\/category\/review-section\/miscellaneous\/camping-and-outdoor-equipment)\n  \n  [Family](https:\/\/road.cc\/category\/review-section\/miscellaneous\/family)\n  \n  [Gifts & misc](https:\/\/road.cc\/category\/review-section\/miscellaneous\/gifts-misc)\n- [Buyers Guides](https:\/\/road.cc\/buyers-guide)\n  \n  Close Buyers Guides\n  \n  Open Buyers Guides\n  [Bike](https:\/\/road.cc\/buyers-guide\/bikes)\n  \n  [Components](https:\/\/road.cc\/buyers-guide\/components)\n  \n  [Accessories](https:\/\/road.cc\/buyers-guide\/accessories)\n  \n  [Clothing](https:\/\/road.cc\/buyers-guide\/clothing)\n  \n  [Health, fitness and nutrition](https:\/\/road.cc\/buyers-guide\/health-fitness-and-nutrition)\n  \n  [Tools and workshop](https:\/\/road.cc\/buyers-guide\/tools-and-workshop)\n  \n  [Miscellaneous](https:\/\/road.cc\/buyers-guide\/miscellaneous)\n  \n  [Road bikes](https:\/\/road.cc\/buyers-guide\/road-bikes)\n  \n  [Sportive and endurance bikes](https:\/\/road.cc\/buyers-guide\/sportive-and-endurance-bikes)\n  \n  [Gravel and adventure bikes](https:\/\/road.cc\/buyers-guide\/gravel-and-adventure-bikes)\n  \n  [Urban and hybrid bikes](https:\/\/road.cc\/buyers-guide\/urban-and-hybrid-bikes)\n  \n  [Touring bikes](https:\/\/road.cc\/buyers-guide\/touring-bikes)\n  \n  [Cyclocross bikes](https:\/\/road.cc\/buyers-guide\/cyclocross-bikes)\n  \n  [Electric bikes](https:\/\/road.cc\/buyers-guide\/electric-bikes)\n  \n  [Folding bikes](https:\/\/road.cc\/buyers-guide\/folding-bikes)\n  \n  [Fixed & singlespeed bikes](https:\/\/road.cc\/buyers-guide\/fixed-singlespeed-bikes)\n  \n  [Children’s bikes](https:\/\/road.cc\/buyers-guide\/childrens-bikes)\n  \n  [Tandems](https:\/\/road.cc\/buyers-guide\/tandems)\n  \n  [Frames](https:\/\/road.cc\/buyers-guide\/frames)\n  \n  [Accessories – misc](https:\/\/road.cc\/buyers-guide\/accessories-misc)\n  \n  [Bags](https:\/\/road.cc\/buyers-guide\/bags)\n  \n  [Bike bags & cases](https:\/\/road.cc\/buyers-guide\/bike-bags-cases)\n  \n  [Cameras](https:\/\/road.cc\/buyers-guide\/cameras)\n  \n  [Car racks](https:\/\/road.cc\/buyers-guide\/car-racks)\n  \n  [Child seats](https:\/\/road.cc\/buyers-guide\/child-seats)\n  \n  [Computers](https:\/\/road.cc\/buyers-guide\/computers)\n  \n  [Glasses](https:\/\/road.cc\/buyers-guide\/glasses)\n  \n  [GPS units](https:\/\/road.cc\/buyers-guide\/gps-units)\n  \n  [Helmets](https:\/\/road.cc\/buyers-guide\/helmets)\n  \n  [Lights – front](https:\/\/road.cc\/buyers-guide\/lights-front)\n  \n  [Lights – rear](https:\/\/road.cc\/buyers-guide\/lights-rear)\n  \n  [Locks](https:\/\/road.cc\/buyers-guide\/locks)\n  \n  [Mudguards](https:\/\/road.cc\/buyers-guide\/mudguards)\n  \n  [Racks](https:\/\/road.cc\/buyers-guide\/racks)\n  \n  [Pumps & CO2 inflators](https:\/\/road.cc\/buyers-guide\/pumps-co2-inflators)\n  \n  [Puncture kits](https:\/\/road.cc\/buyers-guide\/puncture-kits)\n  \n  [Reflectives](https:\/\/road.cc\/buyers-guide\/reflectives)\n  \n  [Stands and racks](https:\/\/road.cc\/buyers-guide\/stands-and-racks)\n  \n  [Trailers](https:\/\/road.cc\/buyers-guide\/trailers)\n  \n  [Arm & leg warmers](https:\/\/road.cc\/buyers-guide\/arm-leg-warmers)\n  \n  [Base layers](https:\/\/road.cc\/buyers-guide\/base-layers)\n  \n  [Gilets](https:\/\/road.cc\/buyers-guide\/gilets)\n  \n  [Gloves – full finger](https:\/\/road.cc\/buyers-guide\/gloves-full-finger)\n  \n  [Gloves – mitts](https:\/\/road.cc\/buyers-guide\/gloves-mitts)\n  \n  [Headwear](https:\/\/road.cc\/buyers-guide\/headwear)\n  \n  [Jackets](https:\/\/road.cc\/buyers-guide\/jackets)\n  \n  [Jerseys – casual](https:\/\/road.cc\/buyers-guide\/jerseys-casual)\n  \n  [Jerseys – long sleeve](https:\/\/road.cc\/buyers-guide\/jerseys-long-sleeve)\n  \n  [Jerseys – short sleeve](https:\/\/road.cc\/buyers-guide\/jerseys-short-sleeve)\n  \n  [Overshoes](https:\/\/road.cc\/buyers-guide\/overshoes)\n  \n  [Shoes](https:\/\/road.cc\/buyers-guide\/shoes)\n  \n  [Shorts & 3\/4s](https:\/\/road.cc\/buyers-guide\/shorts-3-4s)\n  \n  [Socks](https:\/\/road.cc\/buyers-guide\/socks)\n  \n  [Tights & longs](https:\/\/road.cc\/buyers-guide\/tights-longs)\n  \n  [Trousers](https:\/\/road.cc\/buyers-guide\/trousers)\n  \n  [Bar tape & grips](https:\/\/road.cc\/buyers-guide\/bar-tape-grips)\n  \n  [Brake & STI levers](https:\/\/road.cc\/buyers-guide\/brake-sti-levers)\n  \n  [Brakes](https:\/\/road.cc\/buyers-guide\/brakes)\n  \n  [Chainsets & chainrings](https:\/\/road.cc\/buyers-guide\/chainsets-chainrings)\n  \n  [Derailleurs – front](https:\/\/road.cc\/buyers-guide\/derailleurs-front)\n  \n  [Derailleurs – rear](https:\/\/road.cc\/buyers-guide\/derailleurs-rear)\n  \n  [Groupsets](https:\/\/road.cc\/buyers-guide\/groupsets)\n  \n  [Handlebars & extensions](https:\/\/road.cc\/buyers-guide\/handlebars-extensions)\n  \n  [Inner tubes](https:\/\/road.cc\/buyers-guide\/inner-tubes)\n  \n  [Pedals](https:\/\/road.cc\/buyers-guide\/pedals)\n  \n  [Saddles](https:\/\/road.cc\/buyers-guide\/saddles)\n  \n  [Seatposts](https:\/\/road.cc\/buyers-guide\/seatposts)\n  \n  [Wheels](https:\/\/road.cc\/buyers-guide\/wheels)\n  \n  [Tyres](https:\/\/road.cc\/buyers-guide\/tyres)\n  \n  [Heart rate monitors](https:\/\/road.cc\/buyers-guide\/heart-rate-monitors)\n  \n  [Indoor trainers](https:\/\/road.cc\/buyers-guide\/indoor-trainers)\n  \n  [Power measurement](https:\/\/road.cc\/buyers-guide\/power-measurement)\n  \n  [Skincare & embrocation](https:\/\/road.cc\/buyers-guide\/skincare-embrocation)\n  \n  [Training – misc](https:\/\/road.cc\/buyers-guide\/training-misc)\n  \n  [Lubrication](https:\/\/road.cc\/buyers-guide\/lubrication)\n  \n  [Tools – multitools](https:\/\/road.cc\/buyers-guide\/tools-multitools)\n  \n  [Tools – workshop](https:\/\/road.cc\/buyers-guide\/tools-workshops)\n  \n  [Tools – Portable](https:\/\/road.cc\/buyers-guide\/tools-portable)\n  \n  [Books, Maps & DVDs](https:\/\/road.cc\/buyers-guide\/books-maps-dvds)\n  \n  [Gifts & misc](https:\/\/road.cc\/buyers-guide\/gifts-misc)\n- [Features](https:\/\/road.cc\/features)\n  \n  Close Features\n  \n  Open Features\n  [All](https:\/\/road.cc\/features)\n  \n  [How To](https:\/\/road.cc\/category\/feature-sections\/how)\n  \n  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![](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/arrow-right.png)\n  \n  Back\n  \n  [Road bikes](https:\/\/road.cc\/product_type\/road-bikes)\n  \n  [Sportive and endurance bikes](https:\/\/road.cc\/product_type\/sportive-and-endurance-bikes)\n  \n  [Gravel and adventure bikes](https:\/\/road.cc\/product_type\/gravel-and-adventure-bikes)\n  \n  [Urban and hybrid bikes](https:\/\/road.cc\/product_type\/urban-and-hybrid-bikes\/)\n  \n  [Touring bikes](https:\/\/road.cc\/product_type\/touring-bikes\/)\n  \n  [Cyclocross bikes](https:\/\/road.cc\/product_type\/cyclocross-bikes)\n  \n  [Electric bikes](https:\/\/road.cc\/product_type\/electric-bikes\/)\n  \n  [Folding bikes](https:\/\/road.cc\/product_type\/folding-bikes\/)\n  \n  [Fixed & singlespeed bikes](https:\/\/road.cc\/product_type\/fixed-singlespeed-bikes\/)\n  \n  [Children’s bikes](https:\/\/road.cc\/product_type\/childrens-bikes\/)\n  \n  [Time trial bikes](https:\/\/road.cc\/product_type\/time-trail-bikes)\n  \n  [Tandems](https:\/\/road.cc\/product_type\/tandems)\n  \n  [Frames](https:\/\/road.cc\/product_type\/frames)\n  \n  ![](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/arrow-right.png)\n  \n  Back\n  \n  [Accessories – misc](https:\/\/road.cc\/product_type\/accessories-misc)\n  \n  [Computer mounts](https:\/\/road.cc\/product_type\/computer-mounts\/)\n  \n  [Bags](https:\/\/road.cc\/product_type\/bags\/)\n  \n  [Bar ends](https:\/\/road.cc\/product_type\/bar-ends\/)\n  \n  [Bike bags & cases](https:\/\/road.cc\/product_type\/bike-bags-cases\/)\n  \n  [Bottle cages](https:\/\/road.cc\/product_type\/bottle-cages\/)\n  \n  [Bottles](https:\/\/road.cc\/product_type\/bottle)\n  \n  [Cameras](https:\/\/road.cc\/product_type\/cameras\/)\n  \n  [Car racks](https:\/\/road.cc\/product_type\/car-racks\/)\n  \n  [Child seats](https:\/\/road.cc\/product_type\/child-seats\/)\n  \n  [Computers](https:\/\/road.cc\/product_type\/computers\/)\n  \n  [Glasses](https:\/\/road.cc\/product_type\/glasses\/)\n  \n  [GPS units](https:\/\/road.cc\/product_type\/gps-units)\n  \n  [Helmets](https:\/\/road.cc\/product_type\/helmets)\n  \n  [Lights – front](https:\/\/road.cc\/product_type\/lights-front)\n  \n  [Lights – rear](https:\/\/road.cc\/product_type\/lights-rear)\n  \n  [Light – sets](https:\/\/road.cc\/product_type\/lights-sets)\n  \n  [Locks](https:\/\/road.cc\/product_type\/locks)\n  \n  [Mirrors](https:\/\/road.cc\/product_type\/mirrors)\n  \n  [Mudguards](https:\/\/road.cc\/product_type\/mudguards)\n  \n  [Racks](https:\/\/road.cc\/product_type\/racks)\n  \n  [Pumps & CO2 inflators](https:\/\/road.cc\/product_type\/pumps-co2-inflators)\n  \n  [Puncture kits](https:\/\/road.cc\/product_type\/puncture-kits)\n  \n  [Reflectives](https:\/\/road.cc\/product_type\/reflectives)\n  \n  [Smart watches](https:\/\/road.cc\/product_type\/smart-watches)\n  \n  [Stands and racks](https:\/\/road.cc\/product_type\/stands-and-racks)\n  \n  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& 3\/4s](https:\/\/road.cc\/product_type\/shorts-3-4s)\n  \n  [Skin](https:\/\/road.cc\/product_type\/skin)\n  \n  [Socks](https:\/\/road.cc\/product_type\/socks)\n  \n  [Tights & longs](https:\/\/road.cc\/product_type\/tights-longs)\n  \n  [Underwear](https:\/\/road.cc\/product_type\/underwear)\n  \n  [Trousers](https:\/\/road.cc\/product_type\/trousers)\n  \n  ![](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/arrow-right.png)\n  \n  Back\n  \n  [Bar tape & grips](https:\/\/road.cc\/product_type\/bar-tape-grips)\n  \n  [Bottom brackets](https:\/\/road.cc\/product_type\/bottom-brackets)\n  \n  [Brake & gear cables](https:\/\/road.cc\/product_type\/brake-gear-cables)\n  \n  [Brake & STI levers](https:\/\/road.cc\/product_type\/brake-sti-levers)\n  \n  [Brake pads & spares](https:\/\/road.cc\/product_type\/brake-pads-spares)\n  \n  [Brakes](https:\/\/road.cc\/product_type\/brakes)\n  \n  [Cassettes & freewheels](https:\/\/road.cc\/product_type\/cassettes-freewheels)\n  \n  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in](https:\/\/road.cc\/roadcc-login)\n\n[register](https:\/\/road.cc\/register)\n\n[Back to Reviews](https:\/\/road.cc\/reviews)\n\n- Reviews\n- [Folding bikes](https:\/\/road.cc\/category\/review-section\/bikes\/folding-bikes)\n\n![Brompton G Line with Roller Frame 8-speed](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/2025-bromton-g-line-riding-1-1024x683.jpg)\n\nBrompton G Line with Roller Frame 8-speed (Image Credit: Farrelly Atkinson)\n# Brompton G Line with Roller Frame 8-speed\n- [by dave atkinson](https:\/\/road.cc\/author\/dave-atkinson)\n\nWed, Sep 10, 2025 14:45\n\n[2](https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835#comments)\n\n£2499.00\n\n#### VERDICT:\n8\/\n\n10\n\nA bigger Brompton that's great for anything from commuting to multi-day adventures\n\nComposed ride\n\nExcellent build quality and spec\n\nSuper-compact fold\n\nHeavy\n\nNot that stable when folded\n\nOvergeared for adventures\n\nWeight:\n\n14900g\n\nContact:\n\n[www.brompton.com](https:\/\/www.brompton.com\/c\/bikes\/g-line)\n\nHow we test\n\nWe thoroughly test every product we review for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced riders that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don’t intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product’s function and value – with value determined by how a product compares with items of similar spec, quality, and price.\n\n**What the scores mean**\n\nGood scores are more common than bad, because fortunately good products are more common than bad.\n\n- Exceptional\n- Excellent\n- Very Good\n- Good\n- Quite good\n- Average\n- Not so good\n- Poor\n- Bad\n- Appalling\n\n*This review contains links to retailers. Purchases made after clicking on those links may help support road.cc by earning us a commission but all of our reviews are fully independent.*\n\n**The Brompton G Line is described on the company’s website as the ‘first ever Brompton with the ride feel of a full-size bike’, and that’s largely true: this is an easy-to-ride bike that’s very capable on a range of surfaces, and folds down into a very neat package for multi-mode travel. You genuinely can go off and do adventures on this thing, and you’ll have fun, although they won’t be your quickest adventures ever.**\n\n[\\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https:\/\/www.brompton.com\/p\/1347\/g-line-with-roller-frame-8-speed)\n\nUnless you’ve been living under a rock for the last 50 years you’ll probably be aware of the Brompton, which with its 16-inch wheels and brilliantly simple fold is one of the most recognisable and popular folding bikes in the world. The G Line is the first Brompton that moves away from that wheel size.\n\n![2025 Bromton G Line - full bike 1.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-full-bike-1.jpg)![2025 Bromton G Line - full bike 2.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-full-bike-2.jpg)![2025 Bromton G Line - folded.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-folded.jpg)![2025 Bromton G Line - bottom bracket.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-bottom-bracket.jpg)![2025 Bromton G Line - brake lever.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-brake-lever.jpg)![2025 Brompton G Line - brompton decal](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-brompton-decal.jpg)![2025 Bromton G Line - chain tensioner.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-chain-tensioner.jpg)![2025 Bromton G Line - chainset.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-chainset.jpg)![2025 Bromton G Line - fork mount.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-fork-mount.jpg)![2025 Bromton G Line - front bag mount.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-bag-mount.jpg)![2025 Bromton G Line - front disc.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-disc.jpg)![2025 Bromton G Line - front hinges.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-hinges.jpg)![2025 Bromton G Line - G decal.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-g-decal.jpg)![2025 Bromton G Line - handlebars.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-handlebars.jpg)![2025 Bromton G Line - hub gear.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-hub-gear.jpg)![2025 Bromton G Line - pedal in head tube.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-pedal-head-tube.jpg)![2025 Bromton G Line - pedal.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-pedal.jpg)![2025 Bromton G Line - rack and rollers.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-rack-and-rollers.jpg)![2025 Bromton G Line - real elastomer and rollers.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-real-elastomer-and-rollers.jpg)![2025 Bromton G Line - rear disc.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-rear-disc.jpg)![2025 Bromton G Line - saddle.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-saddle.jpg)![2025 Bromton G Line - seatpost qr.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-seatpost-qr.jpg)![2025 Bromton G Line - shifter.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-shifter.jpg)![2025 Bromton G Line - tyre.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-tyre.jpg)![2025 Bromton G Line riding-7.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-7.jpg)![2025 Bromton G Line riding-6.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-6.jpg)![2025 Bromton G Line riding-5.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-5.jpg)![2025 Bromton G Line riding-4.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-4.jpg)![Brompton G Line with Roller Frame 8-speed](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-1.jpg)![2025 Bromton G Line riding-2.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-2.jpg)![2025 Bromton G Line riding-3.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-3.jpg)\n\nWith its 20-inch wheels, big-chamber Schwalbe G-One Allround tyres, hydraulic disc brakes and Alfine 8-speed hub gear, it’s very much been marketed as a go-on-adventures bike – lots of social videos of the bike in kayaks and up mountains, that kind of thing. We’ll get to all of that, but personally I think it’s a bit of a smokescreen for something that Brompton has probably wanted to make for a while, which is just: a bigger bike.\n\n### Brompton G Line: Ride\nI’ll be upfront here – I don’t get on all that well with ‘normal’ Bromptons. This is because I’m a big rider, tall (1.89m) and heavy (100kg), and the one-size-fits-all geometry just doesn’t work all that well at my end of the bell curve. I can ride a Brompton fine, but it’s not that enjoyable. (It’s not me in the pics, by the way, that’s Stu.)\n\n![2025 Bromton G Line riding-2.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-2.jpg)\n\n2025 Bromton G Line riding-2 (Image Credit: Farrelly Atkinson)\n\nThe G Line is much, much better. You’re still getting the same UK-built hand-brazed steel frame, and the excellent fold, and the attention to detail, but in a significantly bigger package. The bike has a longer reach, and a longer wheelbase, and position-wise it just feels more like a normal bike. The three sizes – S, M, L – all use the same frame but swap out seatposts and handlebar components to offer a bit more room the bigger you go.\n\n![2025 Brompton G Line - brompton decal](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-brompton-decal.jpg)\n\n2025 Brompton G Line - brompton decal (Image Credit: Farrelly Atkinson)\n\nThe change is most noticeable when you’re standing up out of the saddle on a steep climb. Standing up on a 16in-wheeled Brompton isn’t that much fun, or even that effective – the bike doesn’t respond well to the change in weight distribution and I always felt a bit vulnerable. The first time I tried it on the G Line was a revelation, because it just feels completely normal.\n\n![2025 Bromton G Line riding-5.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-5.jpg)\n\n2025 Bromton G Line riding-5 (Image Credit: Farrelly Atkinson)\n\nIn fact, the bike feels entirely normal for 90 per cent of the time you’re riding it. There are some things it doesn’t do all that well (more on that in a bit) but if you’re mostly riding the bike on decent surfaces and occasionally hitting rougher terrain then there’s a lot to like about the ride.\n\n![2025 Bromton G Line riding-6.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-6.jpg)\n\n2025 Bromton G Line riding-6 (Image Credit: Farrelly Atkinson)\n\nIt’s very composed, and the combination of big tyres and the elastomer in the rear make it pretty comfortable too. This isn’t the kind of bike you tear down descents on, or lean hard into corners, but I never really got myself into trouble, even off-road. The hydraulic disc brakes are certainly a boon when it comes to scrubbing off some speed.\n\n![2025 Bromton G Line - rear disc.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-rear-disc.jpg)\n\n2025 Bromton G Line - rear disc (Image Credit: Farrelly Atkinson)\n\nWe’ve talked about standing up and I found myself doing that a fair bit, because for me the bike is a bit overgeared. The Shimano Alfine 8-speed hub gear is an excellent unit, but the 306% range isn’t enormous; a 1x setup with an 11-42T cassette is about 380%, and a 50\/34 double with an 11-34T cassette is over 450%. That means there’s some compromise in terms of where to put the gears, and Brompton has opted for a 54-tooth chainring and 20-tooth sprocket, which gives an effective range of 28.9 to 88.5 in old-fashioned gear inches, or 2.31m to 7.06m of development.\n\n![2025 Bromton G Line - hub gear.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-hub-gear.jpg)\n\n2025 Bromton G Line - hub gear (Image Credit: Farrelly Atkinson)\n\nThose numbers may or may not mean anything to you, but the lowest gear isn’t all that low; my standard single-ring gravel bike is about 15 per cent lower at the bottom end, and even that’s not geared especially spinny. Of course, if you move the goalposts then all the gears shift, and the top gear isn’t especially high either, but that was less of an issue for me. If I were to buy one of these, I’d probably swap out the chainring for something a bit smaller. I am a big lad, though.\n\n![2025 Bromton G Line - chainset.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-chainset.jpg)\n\n2025 Bromton G Line - chainset (Image Credit: Farrelly Atkinson)\n\nI found most of this out – or was found out, depending on how you look at it – on one of my main testing rides, which was an attempted 200km audax where we caught the train down to Southampton and rode back in the direction of Bath, over a variety of surfaces. About half of it was unsurfaced, and some of it was very slow going. There’s a write-up of the ride [here](https:\/\/road.cc\/content\/blog\/can-i-ride-200km-12-months-row-6-315701), but the TL;DR is that I was cooked by the time we got to Shaftesbury, 130km in, and I limped back to Warminster and got on the train the rest of the way. A 160km day in total.\n\n![Dave RRtY August-8.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/dave-rrty-august-8.jpg)\n\nDave RRtY August-8 (Image Credit: Farrelly Atkinson)\n\nThe reason I didn’t finish was entirely down to the fact that I’d bitten off more than I could chew. Had I done the route on my ‘normal’ gravel bike (a Cannondale Topstone Carbon), I reckon I would have been okay, just about. And if I’d trained it down to the coast and ridden the Brompton back on the tarmac that would likely have been successful too. But the combination of Brompton *and* gravel was just a bit much that day, and even if I hadn’t run out of puff we probably would have run out of time.\n\n![2025 Bromton G Line - chain tensioner.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-chain-tensioner.jpg)\n\n2025 Bromton G Line - chain tensioner (Image Credit: Farrelly Atkinson)\n\nWhy? Well, the Brompton G Line isn’t quick. It’s very well built and easy to ride, but it’s still a 15kg bike with a hub gear and small wheels and big tyres. You can’t go as fast as you do on your fancy-pants lightweight 700C derailleur-geared bike for the same effort – that’s just physics.\n\n![2025 Bromton G Line riding-3.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-3.jpg)\n\n2025 Bromton G Line riding-3 (Image Credit: Farrelly Atkinson)\n\nFor a lot of the bikepacking and touring that Brompton is suggesting this bike would be good for, that’s not a problem, because you’re unlikely to be attempting to knock out a big ride against a deadline. But still, it’s worth knowing. Smaller-wheeled Bromptons can be pretty light and nippy: for the same money as the G Line you can have a sub-10kg [P Line](https:\/\/www.brompton.com\/p\/827\/p-line-urban-23) and those things go like stink. You need to adjust your filter here.\n\n[\\> Buyer’s Guide: Best folding bikes — portable bikes for convenient commuting](https:\/\/road.cc\/buyers-guide\/best-folding-bikes)\n\nAlso, small wheels have their limits off-road. I’ll preface this by saying I was genuinely impressed by how well the G Line handles once you leave the tarmac. Our audax ride had a bit of everything – well-graded railway paths, sandy New Forest heathland, rocky bridleways, even a mountain bike trail with North Shore-style wooden boards – and it coped admirably. I was only actually defeated twice: once on some hateful climb somewhere near Blandford Forum that a kind farmer had helpfully resurfaced with golf ball-sized rocks so he could get his excavator up and down it. And once on Gold Hill in Shaftesbury, where the combination of an overgeared bike, small wheels and lumpy cobbles was enough to force me into walk mode near the top.\n\n![2025 Bromton G Line - tyre.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-tyre.jpg)\n\n2025 Bromton G Line - tyre (Image Credit: Farrelly Atkinson)\n\nEverything else was rideable, but not everything else was fun. Sand is especially bad on small wheels, which dig in and rob you of all your speed, and there was a lot of that in the first few hours of the ride. All of which is to say: if you want to go out and do adventures, you definitely can. But some bits might be tough.\n\n### Brompton G Line: Load & fold\nTalking of adventures, the G Line is set up to take plenty of luggage. Our test bike came with the roller frame, which both gives you somewhere to hang your panniers and also lets you push the bike around easily once it’s folded.\n\n![2025 Bromton G Line - rack and rollers.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-rack-and-rollers.jpg)\n\n2025 Bromton G Line - rack and rollers (Image Credit: Farrelly Atkinson)\n\nFolding the G Line is as easy as folding any other Brompton, which is to say it’s important to learn how to do the things in the right order, but once you’ve got that dialled it genuinely takes seconds. It folds to 28.3 x 26.2 x 16in (72 x 67 x 41cm), compared with 25.3 x 23 x 10.6in for the P Line.\n\n![2025 Bromton G Line - folded.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-folded.jpg)\n\n2025 Bromton G Line - folded (Image Credit: Farrelly Atkinson)\n\nI actually found it easier than a standard Brompton, firstly because it’s a bit bigger, and secondly because the frame and steerer clamps are a better design and locate in place more easily. One thing to note, though, is that it’s not especially stable – it’ll sit fine on its wheels, but there’s more weight on the handlebar side and it wants to fall that way. Also, be careful you pay attention on sloped railway platforms in case the bike just rolls off towards the tracks and an oncoming train. Just saying.\n\n![2025 Bromton G Line - front hinges.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-hinges.jpg)\n\n2025 Bromton G Line - front hinges (Image Credit: Farrelly Atkinson)\n\nI fitted panniers just to prove I could, but mostly I used an ancient AGU rack-top bag that was a good fit for the rear rack and held enough stuff for a day ride. You have to take that off before you fold the bike, obviously, and the same for panniers. The bike can also be used with Brompton’s front-mounted bags, and there are some specific G Line ones available.\n\n![2025 Bromton G Line - front bag mount.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-bag-mount.jpg)\n\n2025 Bromton G Line - front bag mount (Image Credit: Farrelly Atkinson)\n\nIf you’re on a long ride you’re going to need fluids, and the G Line helpfully has two sets of bottle cage mounts. There’s one on the inside of the stem, which is the one I used because it’s easy to access. The alloy fork has another set on one side (the side facing out when it’s folded) and you could use that for a second bottle or for more luggage space.\n\n![2025 Bromton G Line - fork mount.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-fork-mount.jpg)\n\n2025 Bromton G Line - fork mount (Image Credit: Farrelly Atkinson)\n\nGiven that it’s not a big bike you can fit plenty of stuff on it in a variety of ways: the flat handlebar would take a small bar roll, and you could fit a big seatpack.\n\n![2025 Bromton G Line - handlebars.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-handlebars.jpg)\n\n2025 Bromton G Line - handlebars (Image Credit: Farrelly Atkinson)\n### Brompton G Line: Tour de force\nWould I use it for a loaded tour? I can definitely see the appeal, especially if you’re planning a tour that involves trains. Let’s be honest, travelling with any bike on any UK train is an enormous ball-ache, and travelling with a loaded bike just makes it worse. I love the fact that the G Line is capable enough to take all your luggage, nice to ride, and still folds up small enough that you can give your local Train Operating Company two fingers and get on whatever service you fancy.\n\nOr you could even head over to the continent: taking it on the tube to St Pancras is no problem, and neither is the Eurostar (although you will need a bag for it). So long as you’re in no hurry to get home again, it’s a great companion.\n\n![2025 Bromton G Line riding-4.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-4.jpg)\n\n2025 Bromton G Line riding-4 (Image Credit: Farrelly Atkinson)\n\nIf your ambitions are more modest, it’s a great bike for year-round commuting. Stick it in the car boot or roll it onto the train and it’s not going to let you down. The low-maintenance drivetrain and full mudguards mean it’s set up to cope with all the weather, and the big tyres will be welcome if your urban roads are anything like ours.\n\nCheck out our guide to the [best bikes for commuting](https:\/\/road.cc\/buyers-guide\/best-commuter-bikes), for more options.\n\n### Brompton G Line: Value and conclusion\nAt £2,499 it’s not cheap, but in terms of the Brompton range it’s very much in the middle. You can spend over four grand on a sub-8kg T Line Ultralight, and even a no-frills A Line is a grand these days. If I was going to buy a Brompton, it’s the Brompton I’d buy. I like the ride and the versatility of the bigger wheels and frame, I prefer the dependable hub gear and disc brakes over the more esoteric options on the 16-inch bikes, and I don’t need the more compact fold.\n\nThere’s really not a lot to directly compare it with either, in terms of similar bikes. We reviewed the [Birdy Touring](https:\/\/road.cc\/content\/review\/birdy-touring-295093) a few years back, a similarly priced folder with a touring bent, but that’s about where the similarities end. As much as any bike is unique, you’d probably say this Brompton is: a gravel-orientated touring folder? I’m in.\n\n[\\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https:\/\/www.brompton.com\/p\/1347\/g-line-with-roller-frame-8-speed)\n\n### Verdict\nA bigger Brompton that’s great for anything from commuting to multi-day adventures\n\nAll the deals displayed on our review pages are pulled from a constantly updating database feed of the best affiliate deals available. The criteria for deciding on what are the best deals is who is offering the lowest, delivered price. In most cases we will be showing the very best deal available online, but sometimes you may be able to find an item cheaper. If you can please feel free to post a link in the comments box below. To find out more about affiliate links on road.cc click [here](https:\/\/road.cc\/content\/review\/blog\/how-does-roadcc-makes-money-300903\/).\n\nroad.cc test report\n\n**Make and model:** Brompton G Line with Roller Frame 8-speed\n\n**Size tested:** L\n\nAbout the bike\n\n**List the components used to build up the bike.**\n\nFrom Brompton:\n\nGrips: Ergonomic grips\n\nSeatpost: Small – Standard Black, Medium – Extended Black, Large – Telescopic Black\n\nSaddle: Superlight\n\nSeatclamp: G Line Aluminium\n\nHinge Clamps: Self-aligning hinge clamps\n\nPedals: Wide Platform Quick Release\n\nDrivetrain: Brompton 8-speed drivetrain\n\nNumber of gears: 8 gears\n\nChainset: 54T\n\nHeadset: Brompton headset\n\nShifters: Microshift\n\nDerailleur: Shimano Alfine Hub System\n\nRear Wheel: 20″\n\nFront Wheel: 20″\n\nTyres: Schwalbe G-One All Round 54-406. Tan wall\n\nMudguards: Included\n\nLighting: Reflectors\n\nPump: Not included\n\nRack: Included\n\nBrakes: Tektro Hydraulic Disc brakes with 140mm Rotor\n\nFront Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage\n\nOn Bike Accessories: Not included\n\nWeight: From 14.8 kg\n\nSpeed: 8-speed\n\nMaterial: Steel\n\nFolded Size: 28.3″ \/ 72cm (D), 26.2″ \/ 67cm (H), 16″ \/ 41cm (W)\n\nMain Frame: Hand-brazed steel main frame\n\nRear Frame: Steel\n\nFork: Aluminium fork with mounting bosses\n\n**Tell us what the bike is for and who it’s aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike?**\n\nFrom Brompton:\n\nExpertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry, 20′ wheels, game-changing comfort and capability. All holistically designed around the fold that made us famous. It’s your one-bike solution to the city and beyond.\n\nG Line. The most versatile bike in the world\n\nExpertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike.\n\n20′ wheels\n\nBig enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20′ wheelset comes equipped with custom-made puncture-resistant tyres.\n\nHydraulic disc brakes\n\nSuper dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding.\n\nWide platform pedals\n\nThe grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact.\n\nStay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides.\n\nErgonomic grips\n\nEvery touchpoint between you and the bike is designed with comfort and control in mind.\n\nBig on ride feel, compact in size\n\nWe created G Line to be the best one-bike solution for the city and beyond, and then we made it a Brompton. The frame geometry is comparable to a full size bike, yet it transforms into a compact package that stores and travels easily. So you can go anywhere.\n\nThe most capable Brompton ever\n\nRigorously tested over 250,000 km, first to meet industry standards, then to meet ours, G Line goes where others can’t. Now, you can confidently tackle everything from dusty singletrack to rain-soaked cobbles. This bike does it all with ease.\n\nGame-changing comfort\n\nNothing feels like G Line – the entirely new frame, all-new 20′ wheels, our widest ever handlebars and tyres. Everything is thoughtfully engineered to give the balanced feel of a mountain bike and all-day comfort that’s nothing short of joyous. You’ll feel the difference on every ride.\n\n**Where does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options**\n\nKind of in the middle (price) but also kind of on its own (use case, wheel size).\n\nFrame and fork\n\n**Overall rating for frame and fork**\n\n9\/10\n\n**Tell us about the build quality and finish of the frame and fork?**\n\nGreat build quality and finish.\n\n**Tell us about the materials used in the frame and fork?**\n\nSteel frame, alloy fork.\n\n**Tell us about the geometry of the frame and fork?**\n\nIt’s bigger than a 16-inch Brompton with a 1,120mm wheelbase. Stack 697mm, reach 504mm (reach is not directly comparable here because there’s no stem length).\n\n**How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size?**\n\nIt fitted me very well. Most of my road bikes are ~400mm reach. This is 504mm but directly to the bar, so about equivalent to a 400mm reach bike with a 100mm stem, so I’d expect it to fit me, and it does. Stack is a bit harder to make an equivalent; again it’s to the bar. On a road bike it’d be to the top of the head tube. So you’d add some spacers (say 20mm) and the stem height. Probably that 697mm equates to maybe 650mm on a road bike, which would be pretty upright for me, which is how it feels.\n\nRiding the bike\n\n**Was the bike comfortable to ride? Tell us how you felt about the ride quality.**\n\nIt’s a very comfortable bike even over distances you wouldn’t normally attempt on a folder.\n\n**Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible?**\n\nIt’s plenty stiff enough for the kind of riding you’ll do.\n\n**How did the bike transfer power? Did it feel efficient?**\n\nIt’s not the most efficient bike: big tyres, hub gear.\n\n**Was there any toe-clip overlap with the front wheel? If so was it a problem?**\n\nNo issues.\n\n**How would you describe the steering? Was it lively neutral or unresponsive?** Fairly neutral.\n\n**Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly?**\n\nNarrowish bar makes the steering feel a bit faster than it really is.\n\n**Which components had the most effect (good or bad) on the bike’s comfort? would you recommend any changes?**\n\nSaddle was good, bar grips were good but lack of multiple hand positions starts to bite after a while.\n\n**Which components had the most effect (good or bad) on the bike’s efficiency? would you recommend any changes?**\n\nA derailleur setup would be more efficient but the hub gear makes a lot of sense.\n\n**Rate the bike for efficiency of power transfer:**\n\n7\/10\n\n**Rate the bike for acceleration:**\n\n6\/10\n\n**Rate the bike for sprinting:**\n\n3\/10\n\n**Rate the bike for high speed stability:**\n\n7\/10\n\n**Rate the bike for cruising speed stability:**\n\n9\/10\n\n**Rate the bike for low speed stability:**\n\n8\/10\n\n**Rate the bike for flat cornering:**\n\n7\/10\n\n**Rate the bike for cornering on descents:**\n\n7\/10\n\n**Rate the bike for climbing:**\n\n5\/10\n\nThe drivetrain\n\n**Rate the drivetrain for performance:**\n\n8\/10\n\n**Rate the drivetrain for durability:**\n\n9\/10\n\n**Rate the drivetrain for weight:**\n\n5\/10\n\n**Rate the drivetrain for value:**\n\n6\/10\n\n**Tell us some more about the drivetrain. Anything you particularly did or didn’t like? Any components which didn’t work well together?**\n\nA bit overgeared for some of the uses that Brompton pushes in the advertising.\n\nWheels and tyres\n\n**Rate the wheels for performance:**\n\n8\/10\n\n**Rate the wheels for durability:**\n\n9\/10\n\n**Rate the wheels for weight:**\n\n6\/10\n\n**Rate the wheels for comfort:**\n\n9\/10\n\n**Rate the wheels for value:**\n\n6\/10\n\n**Rate the tyres for performance:**\n\n8\/10\n\n**Rate the tyres for durability:**\n\n8\/10\n\n**Rate the tyres for weight:**\n\n7\/10\n\n**Rate the tyres for comfort:**\n\n9\/10\n\n**Rate the tyres for value:**\n\n7\/10\n\nControls\n\n**Rate the controls for performance:**\n\n8\/10\n\n**Rate the controls for durability:**\n\n8\/10\n\n**Rate the controls for weight:**\n\n7\/10\n\n**Rate the controls for comfort:**\n\n7\/10\n\n**Rate the controls for value:**\n\n6\/10\n\n**Anything else you want to say about the componentry? Comment on any other components (good or bad)**\n\nI think the spec is a really sensible one; there’s nothing I’d change.\n\nYour summary\n\n**Did you enjoy riding the bike?** Yes\n\n**Would you consider buying the bike?** Yes\n\n**Would you recommend the bike to a friend?** Yes\n\n**How does the price compare to that of similar bikes in the market, including ones recently tested on road.cc?**\n\nThere really aren’t any bikes that are especially similar…\n\n**Rate the bike overall for performance:**\n\n8\/10\n\n**Rate the bike overall for value:**\n\n6\/10\n\n**Use this box to explain your overall score**\n\nOverall I’d say this is a very good bike. The majority of people probably won’t go adventuring on it but it makes a lot of sense as an everyday commuter too. It’s not especially quick, but it is fun to ride and copes with a wide range of terrain.\n\nOverall rating: 8\/10\n\nAbout the tester\n\n**Age:** 52 Height: 189cm **Weight:** 99kg\n\n**I usually ride:** whatever I’m testing… **My best bike is:** Lauf Úthald, Kinesis Tripster ATR, Dward Design fixed\n\n**I’ve been riding for:** Over 20 years **I ride:** Every day **I would class myself as:** Expert\n\n**I regularly do the following types of riding:** commuting, touring, club rides, general fitness riding, fixed\/singlespeed, Mountain Bike Bog Snorkelling, track\n\n#### Help us to bring you the best cycling content\nIf you’ve enjoyed this article, then please consider subscribing to road.cc from as little as £1.99. Our mission is to bring you all the news that’s relevant to you as a cyclist, independent reviews, impartial buying advice and more. Your subscription will help us to do more.\n\n[Subscribe](https:\/\/road.cc\/register)\n\n- [Brompton](https:\/\/road.cc\/tags\/brompton), [Brompton 2025](https:\/\/road.cc\/tag\/brompton-2025), [Brompton G Line with Roller Frame 8-speed](https:\/\/road.cc\/tag\/brompton-g-line-roller-frame-8-speed), [Brompton G Line with Roller Frame 8-speed 2025](https:\/\/road.cc\/tag\/brompton-g-line-roller-frame-8-speed-2025), [Commuting](https:\/\/road.cc\/category\/tags\/commuting), [Commuting Week 2025](https:\/\/road.cc\/tag\/commuting-week-2025), [touring](https:\/\/road.cc\/tags\/touring)\n\n![](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/dave_1.jpg)\n\n##### [dave atkinson](https:\/\/road.cc\/author\/dave-atkinson)\n[![twitter](https:\/\/cdn.road.cc\/wp-content\/uploads\/import\/twitter-black.svg)](https:\/\/twitter.com\/roadccdave)\n\nDave is a founding father of road.cc, having previously worked on Cycling Plus and What Mountain Bike magazines back in the day. He also writes about e-bikes for our sister publication ebiketips. He’s won three mountain bike bog snorkelling World Championships, and races at the back of the third cats.\n\n## 2 Comments\n## 2 thoughts on “Brompton G Line with Roller Frame 8-speed”\n1. ![](https:\/\/secure.gravatar.com\/avatar\/e9e0b851aaacd129e3080f78e2a1bd9f4577e5d8026124942dd57755114c2cda?s=50&d=mm&r=g)\n   \n   Terry Hutt\n   \n   [September 10, 2025 at 4:02 pm](https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835#comment-887133)\n   \n   0\n   \n   **Great, balanced review. I**\n   \n   Great, balanced review. I test rode one in Los Angeles and I agree with you 100%. If I were in the market for a Brompton this is what I would get. As I already have a C line, this isn’t fantastic enough for me to buy it.\n   \n   [Log In](https:\/\/road.cc\/roadcc-login\/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) or [Register](https:\/\/road.cc\/register\/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) to post comments\n2. ![](https:\/\/secure.gravatar.com\/avatar\/1e33fb04f75faff5562d20ff136ab2d2ee8e8b6fb3535f3249aeac4ad88c1740?s=50&d=mm&r=g)\n   \n   james-o\n   \n   [September 11, 2025 at 6:33 am](https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835#comment-887195)\n   \n   0\n   \n   **That’s great testing, a 200km**\n   \n   That’s great testing, a 200km mix-terrain audax.. I wouldn’t fancy my chances\\!  \n    One other point on the Brompton’s efficiency is the rear end pivot point – the location and effect of chain tension. Pedalling compresses the suspension, some pedalling power goes into the elastomer block. A stiffer block can help but reduces comfort slightly. I have a 16″ with a firm block and a smaller chainring (I think they’re generally overgeared as stock), both help but it’s still more suited to flatter city streets than the local hills. Brilliant bike, I wouldn’t be without it – or on it over 200km – fair dues for that.\n   \n   [Log In](https:\/\/road.cc\/roadcc-login\/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) or [Register](https:\/\/road.cc\/register\/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) to post comments\n\n### Leave a Comment [Cancel reply](https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835#respond)\nYou must be [logged in](https:\/\/road.cc\/roadcc-login\/?redirect_to=%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) to post a comment.\n\n## Latest Comments\nAluminium can 6 hours ago\n\nLogos not logs\n\n[in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https:\/\/road.cc\/news\/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments)\n\nAluminium can 6 hours ago\n\nMaybe there would be more bike lanes if bicycles were easier for council workers to draw. (In Oz those bike logs are done with a stencil. 😉 )\n\n[in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https:\/\/road.cc\/news\/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments)\n\nchrisonabike 7 hours ago\n\nEgads! There's clearly a bicycle on the pedestrian-marked part there! (Does that count as a \"sidewalk\"? )\n\n[in: “Balance and concentration are indispensable”: Cyclist completes 2km wheelie climb…without the front half of his bike; Vandalism after the Tour of Flanders + more on the live blog](https:\/\/road.cc\/news\/cycling-live-blog-7-april-2026#comments)\n\nchrisonabike 7 hours ago\n\nAll relative... I'm just pleased that sometimes such pro-active-travel measures appear are so clearly sensible (excellent value for money, wealth of positives with little in the way of downsides etc) that saying \"we'll just get on and sort this\" trumps the value of \"but cyclists!\" as a \"political football\". Or the \"no more war on the motorist\" slogan can in fact lose its pull. (And yes, that's still apparently a quick go-to for any party group...)\n\n[in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https:\/\/road.cc\/news\/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments)\n\nbikes 8 hours ago\n\nI wonder if the pedestrian was thinking 'dam, if only I had had my phone out I could have filmed this guy being a total idiot, imagine the shame and embarrassment... Oh well.' \\!\n\n[in: Cyclist who almost collided with pedestrian after attempting to run red light tells man to “use a bit of common sense” in viral video](https:\/\/road.cc\/news\/cyclist-almost-collided-with-pedestrian#comments)\n\nHoarseMann 8 hours ago\n\nI think most of the 'transport baddies' have defected to Reform. The Conservatives are quite liberal these days 🧐😉\\!\n\n[in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https:\/\/road.cc\/news\/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments)\n\nmdavidford 9 hours ago\n\nIdeally with a boxcar with no sides on the train, so they can jump through it.\n\n[in: Tadej Pogačar could face driving ban for running red light at railway crossing during Tour of Flanders, as train operator criticises riders setting “bad example”](https:\/\/road.cc\/news\/tadej-pogacar-could-face-driving-ban-for-running-red-light-at-railway-crossing-during-tour-of-flanders#comments)\n\nandystow 9 hours ago\n\nThe same as Americans who are scared to visit Portland or Minneapolis. Oh no, so scary\\!\n\n[in: “Balance and concentration are indispensable”: Cyclist completes 2km wheelie climb…without the front half of his bike; Vandalism after the Tour of Flanders + more on the live blog](https:\/\/road.cc\/news\/cycling-live-blog-7-april-2026#comments)\n\nchrisonabike 11 hours ago\n\nWell obviously - in the UK we have the superior concept of red lights needing time to become established before they're meaningful.\n\n[in: Tadej Pogačar could face driving ban for running red light at railway crossing during Tour of Flanders, as train operator criticises riders setting “bad example”](https:\/\/road.cc\/news\/tadej-pogacar-could-face-driving-ban-for-running-red-light-at-railway-crossing-during-tour-of-flanders#comments)\n\nchrisonabike 11 hours ago\n\nShurely \"it's time to \\*enforce\\* UK laws?\" Probably things drift - here a bit of (theoretical) push by tinkering with sentence guidance \/ possibly even law, there a bit of some societal \"hey my kids use electric scooters that could have been them\". And maybe even \"now I'm not full time at the office I drive a bit less and sometimes even walk \/ cycle to the shops as parking's a nightmare\"?\n\n[in: “Balance and concentration are indispensable”: Cyclist completes 2km wheelie climb…without the front half of his bike; Vandalism after the Tour of Flanders + more on the live blog](https:\/\/road.cc\/news\/cycling-live-blog-7-april-2026#comments)\n\n## Related Reviews\n[![Velo de Ville E-Foldy (9).JPG](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/velo-de-ville-e-foldy-9-300x200.jpg) Velo de Ville E-Foldy Folds pretty well, rides very well and carries a premium quality price tag](https:\/\/road.cc\/content\/review\/velo-de-ville-e-foldy-316401)\n\n£3338.80\n\n0\n\n[![Brompton G Line with Roller Frame 8-speed](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/2025-bromton-g-line-riding-1-300x200.jpg) Brompton G Line with Roller Frame 8-speed A bigger Brompton that's great for anything from commuting to multi-day adventures](https:\/\/road.cc\/content\/review\/brompton-g-line-roller-frame-8-speed-315835)\n\n£2499.00\n\n2\n\n[![MiRider 20](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/mirider-20-1-300x200.jpg) MiRider 20 More single speed throttle-powered fun. Highly recommended](https:\/\/road.cc\/content\/review\/mirider-20-313985)\n\n£1795.00\n\n0\n\n[![Ampere Alter Review](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/01\/ampere-alter-review-5-300x200.jpg) Ampere Alter A decent offering from a British brand but a bit on the heavy side](https:\/\/road.cc\/content\/review\/ampere-alter-312317)\n\n£1299.00\n\n0\n\n[![](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/roadcc-black.svg)](https:\/\/road.cc\/)\n\nAward-winning cycling news, reviews and buying advice\n\n## QUICK LINKS\n- [About us](https:\/\/road.cc\/about-us)\n- [News](https:\/\/road.cc\/news)\n- [Reviews](https:\/\/road.cc\/reviews)\n- [Buyers Guides](https:\/\/road.cc\/buyers-guide)\n- [Features](https:\/\/road.cc\/content\/review\/features)\n- [Tech](https:\/\/road.cc\/tech-news)\n- [Forum](https:\/\/road.cc\/forum)\n- [Opinion](https:\/\/road.cc\/blogs)\n- [Podcast](https:\/\/road.cc\/podcast)\n- [Recommends](https:\/\/road.cc\/recommends)\n- [Shop](https:\/\/shop.road.cc\/)\n- [Bicycle Insurance](https:\/\/road.cc\/buyer_s_guide\/best-bicycle-insurance)\n\n## FOLLOW US ON\n[![rcc-facebook](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-facebook.svg)](https:\/\/www.facebook.com\/roadcc)\n\n[![rcc-youtube](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-youtube.svg)](https:\/\/www.youtube.com\/roadcc)\n\n[![rcc-insta](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-insta.svg)](https:\/\/www.instagram.com\/road.cc\/)\n\n[![rcc-threads](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-threads.svg)](https:\/\/www.threads.net\/@road.cc)\n\n[![rcc-bluesky](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-bluesky.svg)](https:\/\/bsky.app\/profile\/roadcc.bsky.social)\n\n[![rcc-whatsapp](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-whatsapp.svg)](https:\/\/whatsapp.com\/channel\/0029VaR1ZzeFMqrTbrYlva1W)\n\n[![rcc-rss](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/rcc-rss.svg)](https:\/\/road.cc\/rss)\n\n## Our Websites\n[![](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/off-road.png)](https:\/\/off.road.cc\/)\n\n[![](https:\/\/cdn.road.cc\/wp-content\/uploads\/2025\/02\/ebiketips.png)](https:\/\/ebiketips.road.cc\/)\n\n## GET IN TOUCH\nEditorial, general: **[info@road.cc](mailto:info@road.cc)**  \nTech, reviews: **[tech@road.cc](mailto:tech@road.cc)**  \nAdvertising, commercial: **[sales@fat.digital](mailto:sales@fat.digital)**  \n[**View our media pack**](https:\/\/fat.digital\/roadcc)\n\n[**Privacy policy**](https:\/\/fat.digital\/privacy)\n\n## Support us\n[Subscribe](https:\/\/road.cc\/register)\n\nAll material © Farrelly Atkinson (F-At) Limited, Unit 7b Green Park Station BA11JB. 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Tel 01225 588855. © 2008–present unless otherwise stated. [Terms and conditions of use](https:\/\/fat.digital\/privacy)","attrs_readable_markdown":"*This review contains links to retailers. Purchases made after clicking on those links may help support road.cc by earning us a commission but all of our reviews are fully independent.*\n\n**The Brompton G Line is described on the company’s website as the ‘first ever Brompton with the ride feel of a full-size bike’, and that’s largely true: this is an easy-to-ride bike that’s very capable on a range of surfaces, and folds down into a very neat package for multi-mode travel. You genuinely can go off and do adventures on this thing, and you’ll have fun, although they won’t be your quickest adventures ever.**\n\n[\\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https:\/\/www.brompton.com\/p\/1347\/g-line-with-roller-frame-8-speed)\n\nUnless you’ve been living under a rock for the last 50 years you’ll probably be aware of the Brompton, which with its 16-inch wheels and brilliantly simple fold is one of the most recognisable and popular folding bikes in the world. The G Line is the first Brompton that moves away from that wheel size.\n\nWith its 20-inch wheels, big-chamber Schwalbe G-One Allround tyres, hydraulic disc brakes and Alfine 8-speed hub gear, it’s very much been marketed as a go-on-adventures bike – lots of social videos of the bike in kayaks and up mountains, that kind of thing. We’ll get to all of that, but personally I think it’s a bit of a smokescreen for something that Brompton has probably wanted to make for a while, which is just: a bigger bike.\n\n### Brompton G Line: Ride\nI’ll be upfront here – I don’t get on all that well with ‘normal’ Bromptons. This is because I’m a big rider, tall (1.89m) and heavy (100kg), and the one-size-fits-all geometry just doesn’t work all that well at my end of the bell curve. I can ride a Brompton fine, but it’s not that enjoyable. (It’s not me in the pics, by the way, that’s Stu.)\n\n![2025 Bromton G Line riding-2.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-2.jpg)\n\n2025 Bromton G Line riding-2 (Image Credit: Farrelly Atkinson)\n\nThe G Line is much, much better. You’re still getting the same UK-built hand-brazed steel frame, and the excellent fold, and the attention to detail, but in a significantly bigger package. The bike has a longer reach, and a longer wheelbase, and position-wise it just feels more like a normal bike. The three sizes – S, M, L – all use the same frame but swap out seatposts and handlebar components to offer a bit more room the bigger you go.\n\n![2025 Brompton G Line - brompton decal](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-brompton-decal.jpg)\n\n2025 Brompton G Line - brompton decal (Image Credit: Farrelly Atkinson)\n\nThe change is most noticeable when you’re standing up out of the saddle on a steep climb. Standing up on a 16in-wheeled Brompton isn’t that much fun, or even that effective – the bike doesn’t respond well to the change in weight distribution and I always felt a bit vulnerable. The first time I tried it on the G Line was a revelation, because it just feels completely normal.\n\n![2025 Bromton G Line riding-5.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-5.jpg)\n\n2025 Bromton G Line riding-5 (Image Credit: Farrelly Atkinson)\n\nIn fact, the bike feels entirely normal for 90 per cent of the time you’re riding it. There are some things it doesn’t do all that well (more on that in a bit) but if you’re mostly riding the bike on decent surfaces and occasionally hitting rougher terrain then there’s a lot to like about the ride.\n\n![2025 Bromton G Line riding-6.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-6.jpg)\n\n2025 Bromton G Line riding-6 (Image Credit: Farrelly Atkinson)\n\nIt’s very composed, and the combination of big tyres and the elastomer in the rear make it pretty comfortable too. This isn’t the kind of bike you tear down descents on, or lean hard into corners, but I never really got myself into trouble, even off-road. The hydraulic disc brakes are certainly a boon when it comes to scrubbing off some speed.\n\n![2025 Bromton G Line - rear disc.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-rear-disc.jpg)\n\n2025 Bromton G Line - rear disc (Image Credit: Farrelly Atkinson)\n\nWe’ve talked about standing up and I found myself doing that a fair bit, because for me the bike is a bit overgeared. The Shimano Alfine 8-speed hub gear is an excellent unit, but the 306% range isn’t enormous; a 1x setup with an 11-42T cassette is about 380%, and a 50\/34 double with an 11-34T cassette is over 450%. That means there’s some compromise in terms of where to put the gears, and Brompton has opted for a 54-tooth chainring and 20-tooth sprocket, which gives an effective range of 28.9 to 88.5 in old-fashioned gear inches, or 2.31m to 7.06m of development.\n\n![2025 Bromton G Line - hub gear.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-hub-gear.jpg)\n\n2025 Bromton G Line - hub gear (Image Credit: Farrelly Atkinson)\n\nThose numbers may or may not mean anything to you, but the lowest gear isn’t all that low; my standard single-ring gravel bike is about 15 per cent lower at the bottom end, and even that’s not geared especially spinny. Of course, if you move the goalposts then all the gears shift, and the top gear isn’t especially high either, but that was less of an issue for me. If I were to buy one of these, I’d probably swap out the chainring for something a bit smaller. I am a big lad, though.\n\n![2025 Bromton G Line - chainset.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-chainset.jpg)\n\n2025 Bromton G Line - chainset (Image Credit: Farrelly Atkinson)\n\nI found most of this out – or was found out, depending on how you look at it – on one of my main testing rides, which was an attempted 200km audax where we caught the train down to Southampton and rode back in the direction of Bath, over a variety of surfaces. About half of it was unsurfaced, and some of it was very slow going. There’s a write-up of the ride [here](https:\/\/road.cc\/content\/blog\/can-i-ride-200km-12-months-row-6-315701), but the TL;DR is that I was cooked by the time we got to Shaftesbury, 130km in, and I limped back to Warminster and got on the train the rest of the way. A 160km day in total.\n\n![Dave RRtY August-8.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/dave-rrty-august-8.jpg)\n\nDave RRtY August-8 (Image Credit: Farrelly Atkinson)\n\nThe reason I didn’t finish was entirely down to the fact that I’d bitten off more than I could chew. Had I done the route on my ‘normal’ gravel bike (a Cannondale Topstone Carbon), I reckon I would have been okay, just about. And if I’d trained it down to the coast and ridden the Brompton back on the tarmac that would likely have been successful too. But the combination of Brompton *and* gravel was just a bit much that day, and even if I hadn’t run out of puff we probably would have run out of time.\n\n![2025 Bromton G Line - chain tensioner.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-chain-tensioner.jpg)\n\n2025 Bromton G Line - chain tensioner (Image Credit: Farrelly Atkinson)\n\nWhy? Well, the Brompton G Line isn’t quick. It’s very well built and easy to ride, but it’s still a 15kg bike with a hub gear and small wheels and big tyres. You can’t go as fast as you do on your fancy-pants lightweight 700C derailleur-geared bike for the same effort – that’s just physics.\n\n![2025 Bromton G Line riding-3.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-3.jpg)\n\n2025 Bromton G Line riding-3 (Image Credit: Farrelly Atkinson)\n\nFor a lot of the bikepacking and touring that Brompton is suggesting this bike would be good for, that’s not a problem, because you’re unlikely to be attempting to knock out a big ride against a deadline. But still, it’s worth knowing. Smaller-wheeled Bromptons can be pretty light and nippy: for the same money as the G Line you can have a sub-10kg [P Line](https:\/\/www.brompton.com\/p\/827\/p-line-urban-23) and those things go like stink. You need to adjust your filter here.\n\n[\\> Buyer’s Guide: Best folding bikes — portable bikes for convenient commuting](https:\/\/road.cc\/buyers-guide\/best-folding-bikes)\n\nAlso, small wheels have their limits off-road. I’ll preface this by saying I was genuinely impressed by how well the G Line handles once you leave the tarmac. Our audax ride had a bit of everything – well-graded railway paths, sandy New Forest heathland, rocky bridleways, even a mountain bike trail with North Shore-style wooden boards – and it coped admirably. I was only actually defeated twice: once on some hateful climb somewhere near Blandford Forum that a kind farmer had helpfully resurfaced with golf ball-sized rocks so he could get his excavator up and down it. And once on Gold Hill in Shaftesbury, where the combination of an overgeared bike, small wheels and lumpy cobbles was enough to force me into walk mode near the top.\n\n![2025 Bromton G Line - tyre.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-tyre.jpg)\n\n2025 Bromton G Line - tyre (Image Credit: Farrelly Atkinson)\n\nEverything else was rideable, but not everything else was fun. Sand is especially bad on small wheels, which dig in and rob you of all your speed, and there was a lot of that in the first few hours of the ride. All of which is to say: if you want to go out and do adventures, you definitely can. But some bits might be tough.\n\n### Brompton G Line: Load & fold\nTalking of adventures, the G Line is set up to take plenty of luggage. Our test bike came with the roller frame, which both gives you somewhere to hang your panniers and also lets you push the bike around easily once it’s folded.\n\n![2025 Bromton G Line - rack and rollers.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-rack-and-rollers.jpg)\n\n2025 Bromton G Line - rack and rollers (Image Credit: Farrelly Atkinson)\n\nFolding the G Line is as easy as folding any other Brompton, which is to say it’s important to learn how to do the things in the right order, but once you’ve got that dialled it genuinely takes seconds. It folds to 28.3 x 26.2 x 16in (72 x 67 x 41cm), compared with 25.3 x 23 x 10.6in for the P Line.\n\n![2025 Bromton G Line - folded.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-folded.jpg)\n\n2025 Bromton G Line - folded (Image Credit: Farrelly Atkinson)\n\nI actually found it easier than a standard Brompton, firstly because it’s a bit bigger, and secondly because the frame and steerer clamps are a better design and locate in place more easily. One thing to note, though, is that it’s not especially stable – it’ll sit fine on its wheels, but there’s more weight on the handlebar side and it wants to fall that way. Also, be careful you pay attention on sloped railway platforms in case the bike just rolls off towards the tracks and an oncoming train. Just saying.\n\n![2025 Bromton G Line - front hinges.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-hinges.jpg)\n\n2025 Bromton G Line - front hinges (Image Credit: Farrelly Atkinson)\n\nI fitted panniers just to prove I could, but mostly I used an ancient AGU rack-top bag that was a good fit for the rear rack and held enough stuff for a day ride. You have to take that off before you fold the bike, obviously, and the same for panniers. The bike can also be used with Brompton’s front-mounted bags, and there are some specific G Line ones available.\n\n![2025 Bromton G Line - front bag mount.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-front-bag-mount.jpg)\n\n2025 Bromton G Line - front bag mount (Image Credit: Farrelly Atkinson)\n\nIf you’re on a long ride you’re going to need fluids, and the G Line helpfully has two sets of bottle cage mounts. There’s one on the inside of the stem, which is the one I used because it’s easy to access. The alloy fork has another set on one side (the side facing out when it’s folded) and you could use that for a second bottle or for more luggage space.\n\n![2025 Bromton G Line - fork mount.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-fork-mount.jpg)\n\n2025 Bromton G Line - fork mount (Image Credit: Farrelly Atkinson)\n\nGiven that it’s not a big bike you can fit plenty of stuff on it in a variety of ways: the flat handlebar would take a small bar roll, and you could fit a big seatpack.\n\n![2025 Bromton G Line - handlebars.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-handlebars.jpg)\n\n2025 Bromton G Line - handlebars (Image Credit: Farrelly Atkinson)\n### Brompton G Line: Tour de force\nWould I use it for a loaded tour? I can definitely see the appeal, especially if you’re planning a tour that involves trains. Let’s be honest, travelling with any bike on any UK train is an enormous ball-ache, and travelling with a loaded bike just makes it worse. I love the fact that the G Line is capable enough to take all your luggage, nice to ride, and still folds up small enough that you can give your local Train Operating Company two fingers and get on whatever service you fancy.\n\nOr you could even head over to the continent: taking it on the tube to St Pancras is no problem, and neither is the Eurostar (although you will need a bag for it). So long as you’re in no hurry to get home again, it’s a great companion.\n\n![2025 Bromton G Line riding-4.jpg](https:\/\/cdn.road.cc\/wp-content\/uploads\/roadcc\/styles\/main_width\/public\/2025-bromton-g-line-riding-4.jpg)\n\n2025 Bromton G Line riding-4 (Image Credit: Farrelly Atkinson)\n\nIf your ambitions are more modest, it’s a great bike for year-round commuting. Stick it in the car boot or roll it onto the train and it’s not going to let you down. The low-maintenance drivetrain and full mudguards mean it’s set up to cope with all the weather, and the big tyres will be welcome if your urban roads are anything like ours.\n\nCheck out our guide to the [best bikes for commuting](https:\/\/road.cc\/buyers-guide\/best-commuter-bikes), for more options.\n\n### Brompton G Line: Value and conclusion\nAt £2,499 it’s not cheap, but in terms of the Brompton range it’s very much in the middle. You can spend over four grand on a sub-8kg T Line Ultralight, and even a no-frills A Line is a grand these days. If I was going to buy a Brompton, it’s the Brompton I’d buy. I like the ride and the versatility of the bigger wheels and frame, I prefer the dependable hub gear and disc brakes over the more esoteric options on the 16-inch bikes, and I don’t need the more compact fold.\n\nThere’s really not a lot to directly compare it with either, in terms of similar bikes. We reviewed the [Birdy Touring](https:\/\/road.cc\/content\/review\/birdy-touring-295093) a few years back, a similarly priced folder with a touring bent, but that’s about where the similarities end. As much as any bike is unique, you’d probably say this Brompton is: a gravel-orientated touring folder? I’m in.\n\n[\\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https:\/\/www.brompton.com\/p\/1347\/g-line-with-roller-frame-8-speed)\n\n### Verdict\nA bigger Brompton that’s great for anything from commuting to multi-day adventures\n\nAll the deals displayed on our review pages are pulled from a constantly updating database feed of the best affiliate deals available. The criteria for deciding on what are the best deals is who is offering the lowest, delivered price. In most cases we will be showing the very best deal available online, but sometimes you may be able to find an item cheaper. If you can please feel free to post a link in the comments box below. To find out more about affiliate links on road.cc click [here](https:\/\/road.cc\/content\/review\/blog\/how-does-roadcc-makes-money-300903\/).\n\nroad.cc test report\n\n**Make and model:** Brompton G Line with Roller Frame 8-speed\n\n**Size tested:** L\n\n**List the components used to build up the bike.**\n\nFrom Brompton:\n\nGrips: Ergonomic grips\n\nSeatpost: Small – Standard Black, Medium – Extended Black, Large – Telescopic Black\n\nSaddle: Superlight\n\nSeatclamp: G Line Aluminium\n\nHinge Clamps: Self-aligning hinge clamps\n\nPedals: Wide Platform Quick Release\n\nDrivetrain: Brompton 8-speed drivetrain\n\nNumber of gears: 8 gears\n\nChainset: 54T\n\nHeadset: Brompton headset\n\nShifters: Microshift\n\nDerailleur: Shimano Alfine Hub System\n\nRear Wheel: 20″\n\nFront Wheel: 20″\n\nTyres: Schwalbe G-One All Round 54-406. Tan wall\n\nMudguards: Included\n\nLighting: Reflectors\n\nPump: Not included\n\nRack: Included\n\nBrakes: Tektro Hydraulic Disc brakes with 140mm Rotor\n\nFront Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage\n\nOn Bike Accessories: Not included\n\nWeight: From 14.8 kg\n\nSpeed: 8-speed\n\nMaterial: Steel\n\nFolded Size: 28.3″ \/ 72cm (D), 26.2″ \/ 67cm (H), 16″ \/ 41cm (W)\n\nMain Frame: Hand-brazed steel main frame\n\nRear Frame: Steel\n\nFork: Aluminium fork with mounting bosses\n\n**Tell us what the bike is for and who it’s aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike?**\n\nFrom Brompton:\n\nExpertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry, 20′ wheels, game-changing comfort and capability. All holistically designed around the fold that made us famous. It’s your one-bike solution to the city and beyond.\n\nG Line. The most versatile bike in the world\n\nExpertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike.\n\n20′ wheels\n\nBig enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20′ wheelset comes equipped with custom-made puncture-resistant tyres.\n\nHydraulic disc brakes\n\nSuper dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding.\n\nWide platform pedals\n\nThe grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact.\n\nStay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides.\n\nErgonomic grips\n\nEvery touchpoint between you and the bike is designed with comfort and control in mind.\n\nBig on ride feel, compact in size\n\nWe created G Line to be the best one-bike solution for the city and beyond, and then we made it a Brompton. The frame geometry is comparable to a full size bike, yet it transforms into a compact package that stores and travels easily. So you can go anywhere.\n\nThe most capable Brompton ever\n\nRigorously tested over 250,000 km, first to meet industry standards, then to meet ours, G Line goes where others can’t. Now, you can confidently tackle everything from dusty singletrack to rain-soaked cobbles. This bike does it all with ease.\n\nGame-changing comfort\n\nNothing feels like G Line – the entirely new frame, all-new 20′ wheels, our widest ever handlebars and tyres. Everything is thoughtfully engineered to give the balanced feel of a mountain bike and all-day comfort that’s nothing short of joyous. You’ll feel the difference on every ride.\n\n**Where does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options**\n\nKind of in the middle (price) but also kind of on its own (use case, wheel size).\n\n**Overall rating for frame and fork**\n\n9\/10\n\n**Tell us about the build quality and finish of the frame and fork?**\n\nGreat build quality and finish.\n\n**Tell us about the materials used in the frame and fork?**\n\nSteel frame, alloy fork.\n\n**Tell us about the geometry of the frame and fork?**\n\nIt’s bigger than a 16-inch Brompton with a 1,120mm wheelbase. Stack 697mm, reach 504mm (reach is not directly comparable here because there’s no stem length).\n\n**How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size?**\n\nIt fitted me very well. Most of my road bikes are ~400mm reach. This is 504mm but directly to the bar, so about equivalent to a 400mm reach bike with a 100mm stem, so I’d expect it to fit me, and it does. Stack is a bit harder to make an equivalent; again it’s to the bar. On a road bike it’d be to the top of the head tube. So you’d add some spacers (say 20mm) and the stem height. Probably that 697mm equates to maybe 650mm on a road bike, which would be pretty upright for me, which is how it feels.\n\n**Was the bike comfortable to ride? Tell us how you felt about the ride quality.**\n\nIt’s a very comfortable bike even over distances you wouldn’t normally attempt on a folder.\n\n**Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible?**\n\nIt’s plenty stiff enough for the kind of riding you’ll do.\n\n**How did the bike transfer power? Did it feel efficient?**\n\nIt’s not the most efficient bike: big tyres, hub gear.\n\n**Was there any toe-clip overlap with the front wheel? If so was it a problem?**\n\nNo issues.\n\n**How would you describe the steering? Was it lively neutral or unresponsive?** Fairly neutral.\n\n**Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly?**\n\nNarrowish bar makes the steering feel a bit faster than it really is.\n\n**Which components had the most effect (good or bad) on the bike’s comfort? would you recommend any changes?**\n\nSaddle was good, bar grips were good but lack of multiple hand positions starts to bite after a while.\n\n**Which components had the most effect (good or bad) on the bike’s efficiency? would you recommend any changes?**\n\nA derailleur setup would be more efficient but the hub gear makes a lot of sense.\n\n**Rate the bike for efficiency of power transfer:**\n\n7\/10\n\n**Rate the bike for acceleration:**\n\n6\/10\n\n**Rate the bike for sprinting:**\n\n3\/10\n\n**Rate the bike for high speed stability:**\n\n7\/10\n\n**Rate the bike for cruising speed stability:**\n\n9\/10\n\n**Rate the bike for low speed stability:**\n\n8\/10\n\n**Rate the bike for flat cornering:**\n\n7\/10\n\n**Rate the bike for cornering on descents:**\n\n7\/10\n\n**Rate the bike for climbing:**\n\n5\/10\n\n**Rate the drivetrain for performance:**\n\n8\/10\n\n**Rate the drivetrain for durability:**\n\n9\/10\n\n**Rate the drivetrain for weight:**\n\n5\/10\n\n**Rate the drivetrain for value:**\n\n6\/10\n\n**Tell us some more about the drivetrain. Anything you particularly did or didn’t like? Any components which didn’t work well together?**\n\nA bit overgeared for some of the uses that Brompton pushes in the advertising.\n\n**Rate the wheels for performance:**\n\n8\/10\n\n**Rate the wheels for durability:**\n\n9\/10\n\n**Rate the wheels for weight:**\n\n6\/10\n\n**Rate the wheels for comfort:**\n\n9\/10\n\n**Rate the wheels for value:**\n\n6\/10\n\n**Rate the tyres for performance:**\n\n8\/10\n\n**Rate the tyres for durability:**\n\n8\/10\n\n**Rate the tyres for weight:**\n\n7\/10\n\n**Rate the tyres for comfort:**\n\n9\/10\n\n**Rate the tyres for value:**\n\n7\/10\n\n**Rate the controls for performance:**\n\n8\/10\n\n**Rate the controls for durability:**\n\n8\/10\n\n**Rate the controls for weight:**\n\n7\/10\n\n**Rate the controls for comfort:**\n\n7\/10\n\n**Rate the controls for value:**\n\n6\/10\n\n**Anything else you want to say about the componentry? Comment on any other components (good or bad)**\n\nI think the spec is a really sensible one; there’s nothing I’d change.\n\n**Did you enjoy riding the bike?** Yes\n\n**Would you consider buying the bike?** Yes\n\n**Would you recommend the bike to a friend?** Yes\n\n**How does the price compare to that of similar bikes in the market, including ones recently tested on road.cc?**\n\nThere really aren’t any bikes that are especially similar…\n\n**Rate the bike overall for performance:**\n\n8\/10\n\n**Rate the bike overall for value:**\n\n6\/10\n\n**Use this box to explain your overall score**\n\nOverall I’d say this is a very good bike. The majority of people probably won’t go adventuring on it but it makes a lot of sense as an everyday commuter too. It’s not especially quick, but it is fun to ride and copes with a wide range of terrain.\n\nOverall rating: 8\/10\n\n**Age:** 52 Height: 189cm **Weight:** 99kg\n\n**I usually ride:** whatever I’m testing… **My best bike is:** Lauf Úthald, Kinesis Tripster ATR, Dward Design fixed\n\n**I’ve been riding for:** Over 20 years **I ride:** Every day **I would class myself as:** Expert\n\n**I regularly do the following types of riding:** commuting, touring, club rides, general fitness riding, fixed\/singlespeed, Mountain Bike Bog Snorkelling, track","meta_canonical":null}

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Boilerpipe Text	This review contains links to retailers. Purchases made after clicking on those links may help support road.cc by earning us a commission but all of our reviews are fully independent. The Brompton G Line is described on the company’s website as the ‘first ever Brompton with the ride feel of a full-size bike’, and that’s largely true: this is an easy-to-ride bike that’s very capable on a range of surfaces, and folds down into a very neat package for multi-mode travel. You genuinely can go off and do adventures on this thing, and you’ll have fun, although they won’t be your quickest adventures ever. > Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton Unless you’ve been living under a rock for the last 50 years you’ll probably be aware of the Brompton, which with its 16-inch wheels and brilliantly simple fold is one of the most recognisable and popular folding bikes in the world. The G Line is the first Brompton that moves away from that wheel size. With its 20-inch wheels, big-chamber Schwalbe G-One Allround tyres, hydraulic disc brakes and Alfine 8-speed hub gear, it’s very much been marketed as a go-on-adventures bike – lots of social videos of the bike in kayaks and up mountains, that kind of thing. We’ll get to all of that, but personally I think it’s a bit of a smokescreen for something that Brompton has probably wanted to make for a while, which is just: a bigger bike. Brompton G Line: Ride I’ll be upfront here – I don’t get on all that well with ‘normal’ Bromptons. This is because I’m a big rider, tall (1.89m) and heavy (100kg), and the one-size-fits-all geometry just doesn’t work all that well at my end of the bell curve. I can ride a Brompton fine, but it’s not that enjoyable. (It’s not me in the pics, by the way, that’s Stu.) 2025 Bromton G Line riding-2 (Image Credit: Farrelly Atkinson) The G Line is much, much better. You’re still getting the same UK-built hand-brazed steel frame, and the excellent fold, and the attention to detail, but in a significantly bigger package. The bike has a longer reach, and a longer wheelbase, and position-wise it just feels more like a normal bike. The three sizes – S, M, L – all use the same frame but swap out seatposts and handlebar components to offer a bit more room the bigger you go. 2025 Brompton G Line - brompton decal (Image Credit: Farrelly Atkinson) The change is most noticeable when you’re standing up out of the saddle on a steep climb. Standing up on a 16in-wheeled Brompton isn’t that much fun, or even that effective – the bike doesn’t respond well to the change in weight distribution and I always felt a bit vulnerable. The first time I tried it on the G Line was a revelation, because it just feels completely normal. 2025 Bromton G Line riding-5 (Image Credit: Farrelly Atkinson) In fact, the bike feels entirely normal for 90 per cent of the time you’re riding it. There are some things it doesn’t do all that well (more on that in a bit) but if you’re mostly riding the bike on decent surfaces and occasionally hitting rougher terrain then there’s a lot to like about the ride. 2025 Bromton G Line riding-6 (Image Credit: Farrelly Atkinson) It’s very composed, and the combination of big tyres and the elastomer in the rear make it pretty comfortable too. This isn’t the kind of bike you tear down descents on, or lean hard into corners, but I never really got myself into trouble, even off-road. The hydraulic disc brakes are certainly a boon when it comes to scrubbing off some speed. 2025 Bromton G Line - rear disc (Image Credit: Farrelly Atkinson) We’ve talked about standing up and I found myself doing that a fair bit, because for me the bike is a bit overgeared. The Shimano Alfine 8-speed hub gear is an excellent unit, but the 306% range isn’t enormous; a 1x setup with an 11-42T cassette is about 380%, and a 50/34 double with an 11-34T cassette is over 450%. That means there’s some compromise in terms of where to put the gears, and Brompton has opted for a 54-tooth chainring and 20-tooth sprocket, which gives an effective range of 28.9 to 88.5 in old-fashioned gear inches, or 2.31m to 7.06m of development. 2025 Bromton G Line - hub gear (Image Credit: Farrelly Atkinson) Those numbers may or may not mean anything to you, but the lowest gear isn’t all that low; my standard single-ring gravel bike is about 15 per cent lower at the bottom end, and even that’s not geared especially spinny. Of course, if you move the goalposts then all the gears shift, and the top gear isn’t especially high either, but that was less of an issue for me. If I were to buy one of these, I’d probably swap out the chainring for something a bit smaller. I am a big lad, though. 2025 Bromton G Line - chainset (Image Credit: Farrelly Atkinson) I found most of this out – or was found out, depending on how you look at it – on one of my main testing rides, which was an attempted 200km audax where we caught the train down to Southampton and rode back in the direction of Bath, over a variety of surfaces. About half of it was unsurfaced, and some of it was very slow going. There’s a write-up of the ride here , but the TL;DR is that I was cooked by the time we got to Shaftesbury, 130km in, and I limped back to Warminster and got on the train the rest of the way. A 160km day in total. Dave RRtY August-8 (Image Credit: Farrelly Atkinson) The reason I didn’t finish was entirely down to the fact that I’d bitten off more than I could chew. Had I done the route on my ‘normal’ gravel bike (a Cannondale Topstone Carbon), I reckon I would have been okay, just about. And if I’d trained it down to the coast and ridden the Brompton back on the tarmac that would likely have been successful too. But the combination of Brompton and gravel was just a bit much that day, and even if I hadn’t run out of puff we probably would have run out of time. 2025 Bromton G Line - chain tensioner (Image Credit: Farrelly Atkinson) Why? Well, the Brompton G Line isn’t quick. It’s very well built and easy to ride, but it’s still a 15kg bike with a hub gear and small wheels and big tyres. You can’t go as fast as you do on your fancy-pants lightweight 700C derailleur-geared bike for the same effort – that’s just physics. 2025 Bromton G Line riding-3 (Image Credit: Farrelly Atkinson) For a lot of the bikepacking and touring that Brompton is suggesting this bike would be good for, that’s not a problem, because you’re unlikely to be attempting to knock out a big ride against a deadline. But still, it’s worth knowing. Smaller-wheeled Bromptons can be pretty light and nippy: for the same money as the G Line you can have a sub-10kg P Line and those things go like stink. You need to adjust your filter here. > Buyer’s Guide: Best folding bikes — portable bikes for convenient commuting Also, small wheels have their limits off-road. I’ll preface this by saying I was genuinely impressed by how well the G Line handles once you leave the tarmac. Our audax ride had a bit of everything – well-graded railway paths, sandy New Forest heathland, rocky bridleways, even a mountain bike trail with North Shore-style wooden boards – and it coped admirably. I was only actually defeated twice: once on some hateful climb somewhere near Blandford Forum that a kind farmer had helpfully resurfaced with golf ball-sized rocks so he could get his excavator up and down it. And once on Gold Hill in Shaftesbury, where the combination of an overgeared bike, small wheels and lumpy cobbles was enough to force me into walk mode near the top. 2025 Bromton G Line - tyre (Image Credit: Farrelly Atkinson) Everything else was rideable, but not everything else was fun. Sand is especially bad on small wheels, which dig in and rob you of all your speed, and there was a lot of that in the first few hours of the ride. All of which is to say: if you want to go out and do adventures, you definitely can. But some bits might be tough. Brompton G Line: Load & fold Talking of adventures, the G Line is set up to take plenty of luggage. Our test bike came with the roller frame, which both gives you somewhere to hang your panniers and also lets you push the bike around easily once it’s folded. 2025 Bromton G Line - rack and rollers (Image Credit: Farrelly Atkinson) Folding the G Line is as easy as folding any other Brompton, which is to say it’s important to learn how to do the things in the right order, but once you’ve got that dialled it genuinely takes seconds. It folds to 28.3 x 26.2 x 16in (72 x 67 x 41cm), compared with 25.3 x 23 x 10.6in for the P Line. 2025 Bromton G Line - folded (Image Credit: Farrelly Atkinson) I actually found it easier than a standard Brompton, firstly because it’s a bit bigger, and secondly because the frame and steerer clamps are a better design and locate in place more easily. One thing to note, though, is that it’s not especially stable – it’ll sit fine on its wheels, but there’s more weight on the handlebar side and it wants to fall that way. Also, be careful you pay attention on sloped railway platforms in case the bike just rolls off towards the tracks and an oncoming train. Just saying. 2025 Bromton G Line - front hinges (Image Credit: Farrelly Atkinson) I fitted panniers just to prove I could, but mostly I used an ancient AGU rack-top bag that was a good fit for the rear rack and held enough stuff for a day ride. You have to take that off before you fold the bike, obviously, and the same for panniers. The bike can also be used with Brompton’s front-mounted bags, and there are some specific G Line ones available. 2025 Bromton G Line - front bag mount (Image Credit: Farrelly Atkinson) If you’re on a long ride you’re going to need fluids, and the G Line helpfully has two sets of bottle cage mounts. There’s one on the inside of the stem, which is the one I used because it’s easy to access. The alloy fork has another set on one side (the side facing out when it’s folded) and you could use that for a second bottle or for more luggage space. 2025 Bromton G Line - fork mount (Image Credit: Farrelly Atkinson) Given that it’s not a big bike you can fit plenty of stuff on it in a variety of ways: the flat handlebar would take a small bar roll, and you could fit a big seatpack. 2025 Bromton G Line - handlebars (Image Credit: Farrelly Atkinson) Brompton G Line: Tour de force Would I use it for a loaded tour? I can definitely see the appeal, especially if you’re planning a tour that involves trains. Let’s be honest, travelling with any bike on any UK train is an enormous ball-ache, and travelling with a loaded bike just makes it worse. I love the fact that the G Line is capable enough to take all your luggage, nice to ride, and still folds up small enough that you can give your local Train Operating Company two fingers and get on whatever service you fancy. Or you could even head over to the continent: taking it on the tube to St Pancras is no problem, and neither is the Eurostar (although you will need a bag for it). So long as you’re in no hurry to get home again, it’s a great companion. 2025 Bromton G Line riding-4 (Image Credit: Farrelly Atkinson) If your ambitions are more modest, it’s a great bike for year-round commuting. Stick it in the car boot or roll it onto the train and it’s not going to let you down. The low-maintenance drivetrain and full mudguards mean it’s set up to cope with all the weather, and the big tyres will be welcome if your urban roads are anything like ours. Check out our guide to the best bikes for commuting , for more options. Brompton G Line: Value and conclusion At £2,499 it’s not cheap, but in terms of the Brompton range it’s very much in the middle. You can spend over four grand on a sub-8kg T Line Ultralight, and even a no-frills A Line is a grand these days. If I was going to buy a Brompton, it’s the Brompton I’d buy. I like the ride and the versatility of the bigger wheels and frame, I prefer the dependable hub gear and disc brakes over the more esoteric options on the 16-inch bikes, and I don’t need the more compact fold. There’s really not a lot to directly compare it with either, in terms of similar bikes. We reviewed the Birdy Touring a few years back, a similarly priced folder with a touring bent, but that’s about where the similarities end. As much as any bike is unique, you’d probably say this Brompton is: a gravel-orientated touring folder? I’m in. > Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton Verdict A bigger Brompton that’s great for anything from commuting to multi-day adventures All the deals displayed on our review pages are pulled from a constantly updating database feed of the best affiliate deals available. The criteria for deciding on what are the best deals is who is offering the lowest, delivered price. In most cases we will be showing the very best deal available online, but sometimes you may be able to find an item cheaper. If you can please feel free to post a link in the comments box below. To find out more about affiliate links on road.cc click here . road.cc test report Make and model: Brompton G Line with Roller Frame 8-speed Size tested: L List the components used to build up the bike. From Brompton: Grips: Ergonomic grips Seatpost: Small – Standard Black, Medium – Extended Black, Large – Telescopic Black Saddle: Superlight Seatclamp: G Line Aluminium Hinge Clamps: Self-aligning hinge clamps Pedals: Wide Platform Quick Release Drivetrain: Brompton 8-speed drivetrain Number of gears: 8 gears Chainset: 54T Headset: Brompton headset Shifters: Microshift Derailleur: Shimano Alfine Hub System Rear Wheel: 20″ Front Wheel: 20″ Tyres: Schwalbe G-One All Round 54-406. Tan wall Mudguards: Included Lighting: Reflectors Pump: Not included Rack: Included Brakes: Tektro Hydraulic Disc brakes with 140mm Rotor Front Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage On Bike Accessories: Not included Weight: From 14.8 kg Speed: 8-speed Material: Steel Folded Size: 28.3″ / 72cm (D), 26.2″ / 67cm (H), 16″ / 41cm (W) Main Frame: Hand-brazed steel main frame Rear Frame: Steel Fork: Aluminium fork with mounting bosses Tell us what the bike is for and who it’s aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike? From Brompton: Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry, 20′ wheels, game-changing comfort and capability. All holistically designed around the fold that made us famous. It’s your one-bike solution to the city and beyond. G Line. The most versatile bike in the world Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. 20′ wheels Big enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20′ wheelset comes equipped with custom-made puncture-resistant tyres. Hydraulic disc brakes Super dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding. Wide platform pedals The grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact. Stay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides. Ergonomic grips Every touchpoint between you and the bike is designed with comfort and control in mind. Big on ride feel, compact in size We created G Line to be the best one-bike solution for the city and beyond, and then we made it a Brompton. The frame geometry is comparable to a full size bike, yet it transforms into a compact package that stores and travels easily. So you can go anywhere. The most capable Brompton ever Rigorously tested over 250,000 km, first to meet industry standards, then to meet ours, G Line goes where others can’t. Now, you can confidently tackle everything from dusty singletrack to rain-soaked cobbles. This bike does it all with ease. Game-changing comfort Nothing feels like G Line – the entirely new frame, all-new 20′ wheels, our widest ever handlebars and tyres. Everything is thoughtfully engineered to give the balanced feel of a mountain bike and all-day comfort that’s nothing short of joyous. You’ll feel the difference on every ride. Where does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options Kind of in the middle (price) but also kind of on its own (use case, wheel size). Overall rating for frame and fork 9/10 Tell us about the build quality and finish of the frame and fork? Great build quality and finish. Tell us about the materials used in the frame and fork? Steel frame, alloy fork. Tell us about the geometry of the frame and fork? It’s bigger than a 16-inch Brompton with a 1,120mm wheelbase. Stack 697mm, reach 504mm (reach is not directly comparable here because there’s no stem length). How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size? It fitted me very well. Most of my road bikes are ~400mm reach. This is 504mm but directly to the bar, so about equivalent to a 400mm reach bike with a 100mm stem, so I’d expect it to fit me, and it does. Stack is a bit harder to make an equivalent; again it’s to the bar. On a road bike it’d be to the top of the head tube. So you’d add some spacers (say 20mm) and the stem height. Probably that 697mm equates to maybe 650mm on a road bike, which would be pretty upright for me, which is how it feels. Was the bike comfortable to ride? Tell us how you felt about the ride quality. It’s a very comfortable bike even over distances you wouldn’t normally attempt on a folder. Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible? It’s plenty stiff enough for the kind of riding you’ll do. How did the bike transfer power? Did it feel efficient? It’s not the most efficient bike: big tyres, hub gear. Was there any toe-clip overlap with the front wheel? If so was it a problem? No issues. How would you describe the steering? Was it lively neutral or unresponsive? Fairly neutral. Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly? Narrowish bar makes the steering feel a bit faster than it really is. Which components had the most effect (good or bad) on the bike’s comfort? would you recommend any changes? Saddle was good, bar grips were good but lack of multiple hand positions starts to bite after a while. Which components had the most effect (good or bad) on the bike’s efficiency? would you recommend any changes? A derailleur setup would be more efficient but the hub gear makes a lot of sense. Rate the bike for efficiency of power transfer: 7/10 Rate the bike for acceleration: 6/10 Rate the bike for sprinting: 3/10 Rate the bike for high speed stability: 7/10 Rate the bike for cruising speed stability: 9/10 Rate the bike for low speed stability: 8/10 Rate the bike for flat cornering: 7/10 Rate the bike for cornering on descents: 7/10 Rate the bike for climbing: 5/10 Rate the drivetrain for performance: 8/10 Rate the drivetrain for durability: 9/10 Rate the drivetrain for weight: 5/10 Rate the drivetrain for value: 6/10 Tell us some more about the drivetrain. Anything you particularly did or didn’t like? Any components which didn’t work well together? A bit overgeared for some of the uses that Brompton pushes in the advertising. Rate the wheels for performance: 8/10 Rate the wheels for durability: 9/10 Rate the wheels for weight: 6/10 Rate the wheels for comfort: 9/10 Rate the wheels for value: 6/10 Rate the tyres for performance: 8/10 Rate the tyres for durability: 8/10 Rate the tyres for weight: 7/10 Rate the tyres for comfort: 9/10 Rate the tyres for value: 7/10 Rate the controls for performance: 8/10 Rate the controls for durability: 8/10 Rate the controls for weight: 7/10 Rate the controls for comfort: 7/10 Rate the controls for value: 6/10 Anything else you want to say about the componentry? Comment on any other components (good or bad) I think the spec is a really sensible one; there’s nothing I’d change. Did you enjoy riding the bike? Yes Would you consider buying the bike? Yes Would you recommend the bike to a friend? Yes How does the price compare to that of similar bikes in the market, including ones recently tested on road.cc? There really aren’t any bikes that are especially similar… Rate the bike overall for performance: 8/10 Rate the bike overall for value: 6/10 Use this box to explain your overall score Overall I’d say this is a very good bike. The majority of people probably won’t go adventuring on it but it makes a lot of sense as an everyday commuter too. It’s not especially quick, but it is fun to ride and copes with a wide range of terrain. Overall rating: 8 /10 Age: 52 Height: 189cm Weight: 99kg I usually ride: whatever I’m testing… My best bike is: Lauf Úthald, Kinesis Tripster ATR, Dward Design fixed I’ve been riding for: Over 20 years I ride: Every day I would class myself as: Expert I regularly do the following types of riding: commuting, touring, club rides, general fitness riding, fixed/singlespeed, Mountain Bike Bog Snorkelling, track
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8-speed (Image Credit: Farrelly Atkinson) # Brompton G Line with Roller Frame 8-speed - [by dave atkinson](https://road.cc/author/dave-atkinson) Wed, Sep 10, 2025 14:45 [2](https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835#comments) £2499.00 #### VERDICT: 8/ 10 A bigger Brompton that's great for anything from commuting to multi-day adventures Composed ride Excellent build quality and spec Super-compact fold Heavy Not that stable when folded Overgeared for adventures Weight: 14900g Contact: [www.brompton.com](https://www.brompton.com/c/bikes/g-line) How we test We thoroughly test every product we review for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced riders that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don’t intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product’s function and value – with value determined by how a product compares with items of similar spec, quality, and price. What the scores mean Good scores are more common than bad, because fortunately good products are more common than bad. - Exceptional - Excellent - Very Good - Good - Quite good - Average - Not so good - Poor - Bad - Appalling This review contains links to retailers. Purchases made after clicking on those links may help support road.cc by earning us a commission but all of our reviews are fully independent. The Brompton G Line is described on the company’s website as the ‘first ever Brompton with the ride feel of a full-size bike’, and that’s largely true: this is an easy-to-ride bike that’s very capable on a range of surfaces, and folds down into a very neat package for multi-mode travel. You genuinely can go off and do adventures on this thing, and you’ll have fun, although they won’t be your quickest adventures ever. [\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https://www.brompton.com/p/1347/g-line-with-roller-frame-8-speed) Unless you’ve been living under a rock for the last 50 years you’ll probably be aware of the Brompton, which with its 16-inch wheels and brilliantly simple fold is one of the most recognisable and popular folding bikes in the world. The G Line is the first Brompton that moves away from that wheel size. ![2025 Bromton G Line - full bike 1.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-full-bike-1.jpg)![2025 Bromton G Line - full bike 2.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-full-bike-2.jpg)![2025 Bromton G Line - folded.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-folded.jpg)![2025 Bromton G Line - bottom bracket.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-bottom-bracket.jpg)![2025 Bromton G Line - brake lever.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-brake-lever.jpg)![2025 Brompton G Line - brompton decal](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-brompton-decal.jpg)![2025 Bromton G Line - chain tensioner.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-chain-tensioner.jpg)![2025 Bromton G Line - chainset.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-chainset.jpg)![2025 Bromton G Line - fork mount.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-fork-mount.jpg)![2025 Bromton G Line - front bag mount.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-bag-mount.jpg)![2025 Bromton G Line - front disc.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-disc.jpg)![2025 Bromton G Line - front hinges.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-hinges.jpg)![2025 Bromton G Line - G decal.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-g-decal.jpg)![2025 Bromton G Line - handlebars.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-handlebars.jpg)![2025 Bromton G Line - hub gear.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-hub-gear.jpg)![2025 Bromton G Line - pedal in head tube.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-pedal-head-tube.jpg)![2025 Bromton G Line - pedal.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-pedal.jpg)![2025 Bromton G Line - rack and rollers.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-rack-and-rollers.jpg)![2025 Bromton G Line - real elastomer and rollers.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-real-elastomer-and-rollers.jpg)![2025 Bromton G Line - rear disc.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-rear-disc.jpg)![2025 Bromton G Line - saddle.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-saddle.jpg)![2025 Bromton G Line - seatpost qr.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-seatpost-qr.jpg)![2025 Bromton G Line - shifter.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-shifter.jpg)![2025 Bromton G Line - tyre.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-tyre.jpg)![2025 Bromton G Line riding-7.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-7.jpg)![2025 Bromton G Line riding-6.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-6.jpg)![2025 Bromton G Line riding-5.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-5.jpg)![2025 Bromton G Line riding-4.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-4.jpg)![Brompton G Line with Roller Frame 8-speed](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-1.jpg)![2025 Bromton G Line riding-2.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-2.jpg)![2025 Bromton G Line riding-3.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-3.jpg) With its 20-inch wheels, big-chamber Schwalbe G-One Allround tyres, hydraulic disc brakes and Alfine 8-speed hub gear, it’s very much been marketed as a go-on-adventures bike – lots of social videos of the bike in kayaks and up mountains, that kind of thing. We’ll get to all of that, but personally I think it’s a bit of a smokescreen for something that Brompton has probably wanted to make for a while, which is just: a bigger bike. ### Brompton G Line: Ride I’ll be upfront here – I don’t get on all that well with ‘normal’ Bromptons. This is because I’m a big rider, tall (1.89m) and heavy (100kg), and the one-size-fits-all geometry just doesn’t work all that well at my end of the bell curve. I can ride a Brompton fine, but it’s not that enjoyable. (It’s not me in the pics, by the way, that’s Stu.) ![2025 Bromton G Line riding-2.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-2.jpg) 2025 Bromton G Line riding-2 (Image Credit: Farrelly Atkinson) The G Line is much, much better. You’re still getting the same UK-built hand-brazed steel frame, and the excellent fold, and the attention to detail, but in a significantly bigger package. The bike has a longer reach, and a longer wheelbase, and position-wise it just feels more like a normal bike. The three sizes – S, M, L – all use the same frame but swap out seatposts and handlebar components to offer a bit more room the bigger you go. ![2025 Brompton G Line - brompton decal](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-brompton-decal.jpg) 2025 Brompton G Line - brompton decal (Image Credit: Farrelly Atkinson) The change is most noticeable when you’re standing up out of the saddle on a steep climb. Standing up on a 16in-wheeled Brompton isn’t that much fun, or even that effective – the bike doesn’t respond well to the change in weight distribution and I always felt a bit vulnerable. The first time I tried it on the G Line was a revelation, because it just feels completely normal. ![2025 Bromton G Line riding-5.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-5.jpg) 2025 Bromton G Line riding-5 (Image Credit: Farrelly Atkinson) In fact, the bike feels entirely normal for 90 per cent of the time you’re riding it. There are some things it doesn’t do all that well (more on that in a bit) but if you’re mostly riding the bike on decent surfaces and occasionally hitting rougher terrain then there’s a lot to like about the ride. ![2025 Bromton G Line riding-6.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-6.jpg) 2025 Bromton G Line riding-6 (Image Credit: Farrelly Atkinson) It’s very composed, and the combination of big tyres and the elastomer in the rear make it pretty comfortable too. This isn’t the kind of bike you tear down descents on, or lean hard into corners, but I never really got myself into trouble, even off-road. The hydraulic disc brakes are certainly a boon when it comes to scrubbing off some speed. ![2025 Bromton G Line - rear disc.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-rear-disc.jpg) 2025 Bromton G Line - rear disc (Image Credit: Farrelly Atkinson) We’ve talked about standing up and I found myself doing that a fair bit, because for me the bike is a bit overgeared. The Shimano Alfine 8-speed hub gear is an excellent unit, but the 306% range isn’t enormous; a 1x setup with an 11-42T cassette is about 380%, and a 50/34 double with an 11-34T cassette is over 450%. That means there’s some compromise in terms of where to put the gears, and Brompton has opted for a 54-tooth chainring and 20-tooth sprocket, which gives an effective range of 28.9 to 88.5 in old-fashioned gear inches, or 2.31m to 7.06m of development. ![2025 Bromton G Line - hub gear.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-hub-gear.jpg) 2025 Bromton G Line - hub gear (Image Credit: Farrelly Atkinson) Those numbers may or may not mean anything to you, but the lowest gear isn’t all that low; my standard single-ring gravel bike is about 15 per cent lower at the bottom end, and even that’s not geared especially spinny. Of course, if you move the goalposts then all the gears shift, and the top gear isn’t especially high either, but that was less of an issue for me. If I were to buy one of these, I’d probably swap out the chainring for something a bit smaller. I am a big lad, though. ![2025 Bromton G Line - chainset.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-chainset.jpg) 2025 Bromton G Line - chainset (Image Credit: Farrelly Atkinson) I found most of this out – or was found out, depending on how you look at it – on one of my main testing rides, which was an attempted 200km audax where we caught the train down to Southampton and rode back in the direction of Bath, over a variety of surfaces. About half of it was unsurfaced, and some of it was very slow going. There’s a write-up of the ride [here](https://road.cc/content/blog/can-i-ride-200km-12-months-row-6-315701), but the TL;DR is that I was cooked by the time we got to Shaftesbury, 130km in, and I limped back to Warminster and got on the train the rest of the way. A 160km day in total. ![Dave RRtY August-8.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/dave-rrty-august-8.jpg) Dave RRtY August-8 (Image Credit: Farrelly Atkinson) The reason I didn’t finish was entirely down to the fact that I’d bitten off more than I could chew. Had I done the route on my ‘normal’ gravel bike (a Cannondale Topstone Carbon), I reckon I would have been okay, just about. And if I’d trained it down to the coast and ridden the Brompton back on the tarmac that would likely have been successful too. But the combination of Brompton and gravel was just a bit much that day, and even if I hadn’t run out of puff we probably would have run out of time. ![2025 Bromton G Line - chain tensioner.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-chain-tensioner.jpg) 2025 Bromton G Line - chain tensioner (Image Credit: Farrelly Atkinson) Why? Well, the Brompton G Line isn’t quick. It’s very well built and easy to ride, but it’s still a 15kg bike with a hub gear and small wheels and big tyres. You can’t go as fast as you do on your fancy-pants lightweight 700C derailleur-geared bike for the same effort – that’s just physics. ![2025 Bromton G Line riding-3.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-3.jpg) 2025 Bromton G Line riding-3 (Image Credit: Farrelly Atkinson) For a lot of the bikepacking and touring that Brompton is suggesting this bike would be good for, that’s not a problem, because you’re unlikely to be attempting to knock out a big ride against a deadline. But still, it’s worth knowing. Smaller-wheeled Bromptons can be pretty light and nippy: for the same money as the G Line you can have a sub-10kg [P Line](https://www.brompton.com/p/827/p-line-urban-23) and those things go like stink. You need to adjust your filter here. [\> Buyer’s Guide: Best folding bikes — portable bikes for convenient commuting](https://road.cc/buyers-guide/best-folding-bikes) Also, small wheels have their limits off-road. I’ll preface this by saying I was genuinely impressed by how well the G Line handles once you leave the tarmac. Our audax ride had a bit of everything – well-graded railway paths, sandy New Forest heathland, rocky bridleways, even a mountain bike trail with North Shore-style wooden boards – and it coped admirably. I was only actually defeated twice: once on some hateful climb somewhere near Blandford Forum that a kind farmer had helpfully resurfaced with golf ball-sized rocks so he could get his excavator up and down it. And once on Gold Hill in Shaftesbury, where the combination of an overgeared bike, small wheels and lumpy cobbles was enough to force me into walk mode near the top. ![2025 Bromton G Line - tyre.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-tyre.jpg) 2025 Bromton G Line - tyre (Image Credit: Farrelly Atkinson) Everything else was rideable, but not everything else was fun. Sand is especially bad on small wheels, which dig in and rob you of all your speed, and there was a lot of that in the first few hours of the ride. All of which is to say: if you want to go out and do adventures, you definitely can. But some bits might be tough. ### Brompton G Line: Load & fold Talking of adventures, the G Line is set up to take plenty of luggage. Our test bike came with the roller frame, which both gives you somewhere to hang your panniers and also lets you push the bike around easily once it’s folded. ![2025 Bromton G Line - rack and rollers.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-rack-and-rollers.jpg) 2025 Bromton G Line - rack and rollers (Image Credit: Farrelly Atkinson) Folding the G Line is as easy as folding any other Brompton, which is to say it’s important to learn how to do the things in the right order, but once you’ve got that dialled it genuinely takes seconds. It folds to 28.3 x 26.2 x 16in (72 x 67 x 41cm), compared with 25.3 x 23 x 10.6in for the P Line. ![2025 Bromton G Line - folded.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-folded.jpg) 2025 Bromton G Line - folded (Image Credit: Farrelly Atkinson) I actually found it easier than a standard Brompton, firstly because it’s a bit bigger, and secondly because the frame and steerer clamps are a better design and locate in place more easily. One thing to note, though, is that it’s not especially stable – it’ll sit fine on its wheels, but there’s more weight on the handlebar side and it wants to fall that way. Also, be careful you pay attention on sloped railway platforms in case the bike just rolls off towards the tracks and an oncoming train. Just saying. ![2025 Bromton G Line - front hinges.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-hinges.jpg) 2025 Bromton G Line - front hinges (Image Credit: Farrelly Atkinson) I fitted panniers just to prove I could, but mostly I used an ancient AGU rack-top bag that was a good fit for the rear rack and held enough stuff for a day ride. You have to take that off before you fold the bike, obviously, and the same for panniers. The bike can also be used with Brompton’s front-mounted bags, and there are some specific G Line ones available. ![2025 Bromton G Line - front bag mount.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-bag-mount.jpg) 2025 Bromton G Line - front bag mount (Image Credit: Farrelly Atkinson) If you’re on a long ride you’re going to need fluids, and the G Line helpfully has two sets of bottle cage mounts. There’s one on the inside of the stem, which is the one I used because it’s easy to access. The alloy fork has another set on one side (the side facing out when it’s folded) and you could use that for a second bottle or for more luggage space. ![2025 Bromton G Line - fork mount.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-fork-mount.jpg) 2025 Bromton G Line - fork mount (Image Credit: Farrelly Atkinson) Given that it’s not a big bike you can fit plenty of stuff on it in a variety of ways: the flat handlebar would take a small bar roll, and you could fit a big seatpack. ![2025 Bromton G Line - handlebars.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-handlebars.jpg) 2025 Bromton G Line - handlebars (Image Credit: Farrelly Atkinson) ### Brompton G Line: Tour de force Would I use it for a loaded tour? I can definitely see the appeal, especially if you’re planning a tour that involves trains. Let’s be honest, travelling with any bike on any UK train is an enormous ball-ache, and travelling with a loaded bike just makes it worse. I love the fact that the G Line is capable enough to take all your luggage, nice to ride, and still folds up small enough that you can give your local Train Operating Company two fingers and get on whatever service you fancy. Or you could even head over to the continent: taking it on the tube to St Pancras is no problem, and neither is the Eurostar (although you will need a bag for it). So long as you’re in no hurry to get home again, it’s a great companion. ![2025 Bromton G Line riding-4.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-4.jpg) 2025 Bromton G Line riding-4 (Image Credit: Farrelly Atkinson) If your ambitions are more modest, it’s a great bike for year-round commuting. Stick it in the car boot or roll it onto the train and it’s not going to let you down. The low-maintenance drivetrain and full mudguards mean it’s set up to cope with all the weather, and the big tyres will be welcome if your urban roads are anything like ours. Check out our guide to the [best bikes for commuting](https://road.cc/buyers-guide/best-commuter-bikes), for more options. ### Brompton G Line: Value and conclusion At £2,499 it’s not cheap, but in terms of the Brompton range it’s very much in the middle. You can spend over four grand on a sub-8kg T Line Ultralight, and even a no-frills A Line is a grand these days. If I was going to buy a Brompton, it’s the Brompton I’d buy. I like the ride and the versatility of the bigger wheels and frame, I prefer the dependable hub gear and disc brakes over the more esoteric options on the 16-inch bikes, and I don’t need the more compact fold. There’s really not a lot to directly compare it with either, in terms of similar bikes. We reviewed the [Birdy Touring](https://road.cc/content/review/birdy-touring-295093) a few years back, a similarly priced folder with a touring bent, but that’s about where the similarities end. As much as any bike is unique, you’d probably say this Brompton is: a gravel-orientated touring folder? I’m in. [\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https://www.brompton.com/p/1347/g-line-with-roller-frame-8-speed) ### Verdict A bigger Brompton that’s great for anything from commuting to multi-day adventures All the deals displayed on our review pages are pulled from a constantly updating database feed of the best affiliate deals available. The criteria for deciding on what are the best deals is who is offering the lowest, delivered price. In most cases we will be showing the very best deal available online, but sometimes you may be able to find an item cheaper. If you can please feel free to post a link in the comments box below. To find out more about affiliate links on road.cc click [here](https://road.cc/content/review/blog/how-does-roadcc-makes-money-300903/). road.cc test report Make and model: Brompton G Line with Roller Frame 8-speed Size tested: L About the bike List the components used to build up the bike. From Brompton: Grips: Ergonomic grips Seatpost: Small – Standard Black, Medium – Extended Black, Large – Telescopic Black Saddle: Superlight Seatclamp: G Line Aluminium Hinge Clamps: Self-aligning hinge clamps Pedals: Wide Platform Quick Release Drivetrain: Brompton 8-speed drivetrain Number of gears: 8 gears Chainset: 54T Headset: Brompton headset Shifters: Microshift Derailleur: Shimano Alfine Hub System Rear Wheel: 20″ Front Wheel: 20″ Tyres: Schwalbe G-One All Round 54-406. Tan wall Mudguards: Included Lighting: Reflectors Pump: Not included Rack: Included Brakes: Tektro Hydraulic Disc brakes with 140mm Rotor Front Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage On Bike Accessories: Not included Weight: From 14.8 kg Speed: 8-speed Material: Steel Folded Size: 28.3″ / 72cm (D), 26.2″ / 67cm (H), 16″ / 41cm (W) Main Frame: Hand-brazed steel main frame Rear Frame: Steel Fork: Aluminium fork with mounting bosses Tell us what the bike is for and who it’s aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike? From Brompton: Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry, 20′ wheels, game-changing comfort and capability. All holistically designed around the fold that made us famous. It’s your one-bike solution to the city and beyond. G Line. The most versatile bike in the world Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. 20′ wheels Big enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20′ wheelset comes equipped with custom-made puncture-resistant tyres. Hydraulic disc brakes Super dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding. Wide platform pedals The grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact. Stay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides. Ergonomic grips Every touchpoint between you and the bike is designed with comfort and control in mind. Big on ride feel, compact in size We created G Line to be the best one-bike solution for the city and beyond, and then we made it a Brompton. The frame geometry is comparable to a full size bike, yet it transforms into a compact package that stores and travels easily. So you can go anywhere. The most capable Brompton ever Rigorously tested over 250,000 km, first to meet industry standards, then to meet ours, G Line goes where others can’t. Now, you can confidently tackle everything from dusty singletrack to rain-soaked cobbles. This bike does it all with ease. Game-changing comfort Nothing feels like G Line – the entirely new frame, all-new 20′ wheels, our widest ever handlebars and tyres. Everything is thoughtfully engineered to give the balanced feel of a mountain bike and all-day comfort that’s nothing short of joyous. You’ll feel the difference on every ride. Where does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options Kind of in the middle (price) but also kind of on its own (use case, wheel size). Frame and fork Overall rating for frame and fork 9/10 Tell us about the build quality and finish of the frame and fork? Great build quality and finish. Tell us about the materials used in the frame and fork? Steel frame, alloy fork. Tell us about the geometry of the frame and fork? It’s bigger than a 16-inch Brompton with a 1,120mm wheelbase. Stack 697mm, reach 504mm (reach is not directly comparable here because there’s no stem length). How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size? It fitted me very well. Most of my road bikes are ~400mm reach. This is 504mm but directly to the bar, so about equivalent to a 400mm reach bike with a 100mm stem, so I’d expect it to fit me, and it does. Stack is a bit harder to make an equivalent; again it’s to the bar. On a road bike it’d be to the top of the head tube. So you’d add some spacers (say 20mm) and the stem height. Probably that 697mm equates to maybe 650mm on a road bike, which would be pretty upright for me, which is how it feels. Riding the bike Was the bike comfortable to ride? Tell us how you felt about the ride quality. It’s a very comfortable bike even over distances you wouldn’t normally attempt on a folder. Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible? It’s plenty stiff enough for the kind of riding you’ll do. How did the bike transfer power? Did it feel efficient? It’s not the most efficient bike: big tyres, hub gear. Was there any toe-clip overlap with the front wheel? If so was it a problem? No issues. How would you describe the steering? Was it lively neutral or unresponsive? Fairly neutral. Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly? Narrowish bar makes the steering feel a bit faster than it really is. Which components had the most effect (good or bad) on the bike’s comfort? would you recommend any changes? Saddle was good, bar grips were good but lack of multiple hand positions starts to bite after a while. Which components had the most effect (good or bad) on the bike’s efficiency? would you recommend any changes? A derailleur setup would be more efficient but the hub gear makes a lot of sense. Rate the bike for efficiency of power transfer: 7/10 Rate the bike for acceleration: 6/10 Rate the bike for sprinting: 3/10 Rate the bike for high speed stability: 7/10 Rate the bike for cruising speed stability: 9/10 Rate the bike for low speed stability: 8/10 Rate the bike for flat cornering: 7/10 Rate the bike for cornering on descents: 7/10 Rate the bike for climbing: 5/10 The drivetrain Rate the drivetrain for performance: 8/10 Rate the drivetrain for durability: 9/10 Rate the drivetrain for weight: 5/10 Rate the drivetrain for value: 6/10 Tell us some more about the drivetrain. Anything you particularly did or didn’t like? Any components which didn’t work well together? A bit overgeared for some of the uses that Brompton pushes in the advertising. Wheels and tyres Rate the wheels for performance: 8/10 Rate the wheels for durability: 9/10 Rate the wheels for weight: 6/10 Rate the wheels for comfort: 9/10 Rate the wheels for value: 6/10 Rate the tyres for performance: 8/10 Rate the tyres for durability: 8/10 Rate the tyres for weight: 7/10 Rate the tyres for comfort: 9/10 Rate the tyres for value: 7/10 Controls Rate the controls for performance: 8/10 Rate the controls for durability: 8/10 Rate the controls for weight: 7/10 Rate the controls for comfort: 7/10 Rate the controls for value: 6/10 Anything else you want to say about the componentry? Comment on any other components (good or bad) I think the spec is a really sensible one; there’s nothing I’d change. Your summary Did you enjoy riding the bike? Yes Would you consider buying the bike? Yes Would you recommend the bike to a friend? Yes How does the price compare to that of similar bikes in the market, including ones recently tested on road.cc? There really aren’t any bikes that are especially similar… Rate the bike overall for performance: 8/10 Rate the bike overall for value: 6/10 Use this box to explain your overall score Overall I’d say this is a very good bike. The majority of people probably won’t go adventuring on it but it makes a lot of sense as an everyday commuter too. It’s not especially quick, but it is fun to ride and copes with a wide range of terrain. Overall rating: 8/10 About the tester Age: 52 Height: 189cm Weight: 99kg I usually ride: whatever I’m testing… My best bike is: Lauf Úthald, Kinesis Tripster ATR, Dward Design fixed I’ve been riding for: Over 20 years I ride: Every day I would class myself as: Expert I regularly do the following types of riding: commuting, touring, club rides, general fitness riding, fixed/singlespeed, Mountain Bike Bog Snorkelling, track #### Help us to bring you the best cycling content If you’ve enjoyed this article, then please consider subscribing to road.cc from as little as £1.99. Our mission is to bring you all the news that’s relevant to you as a cyclist, independent reviews, impartial buying advice and more. Your subscription will help us to do more. [Subscribe](https://road.cc/register) - [Brompton](https://road.cc/tags/brompton), [Brompton 2025](https://road.cc/tag/brompton-2025), [Brompton G Line with Roller Frame 8-speed](https://road.cc/tag/brompton-g-line-roller-frame-8-speed), [Brompton G Line with Roller Frame 8-speed 2025](https://road.cc/tag/brompton-g-line-roller-frame-8-speed-2025), [Commuting](https://road.cc/category/tags/commuting), [Commuting Week 2025](https://road.cc/tag/commuting-week-2025), [touring](https://road.cc/tags/touring) ![](https://cdn.road.cc/wp-content/uploads/roadcc/dave_1.jpg) ##### [dave atkinson](https://road.cc/author/dave-atkinson) [![twitter](https://cdn.road.cc/wp-content/uploads/import/twitter-black.svg)](https://twitter.com/roadccdave) Dave is a founding father of road.cc, having previously worked on Cycling Plus and What Mountain Bike magazines back in the day. He also writes about e-bikes for our sister publication ebiketips. He’s won three mountain bike bog snorkelling World Championships, and races at the back of the third cats. ## 2 Comments ## 2 thoughts on “Brompton G Line with Roller Frame 8-speed” 1. ![](https://secure.gravatar.com/avatar/e9e0b851aaacd129e3080f78e2a1bd9f4577e5d8026124942dd57755114c2cda?s=50&d=mm&r=g) Terry Hutt [September 10, 2025 at 4:02 pm](https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835#comment-887133) 0 Great, balanced review. I Great, balanced review. I test rode one in Los Angeles and I agree with you 100%. If I were in the market for a Brompton this is what I would get. As I already have a C line, this isn’t fantastic enough for me to buy it. [Log In](https://road.cc/roadcc-login/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) or [Register](https://road.cc/register/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) to post comments 2. ![](https://secure.gravatar.com/avatar/1e33fb04f75faff5562d20ff136ab2d2ee8e8b6fb3535f3249aeac4ad88c1740?s=50&d=mm&r=g) james-o [September 11, 2025 at 6:33 am](https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835#comment-887195) 0 That’s great testing, a 200km That’s great testing, a 200km mix-terrain audax.. I wouldn’t fancy my chances\! One other point on the Brompton’s efficiency is the rear end pivot point – the location and effect of chain tension. Pedalling compresses the suspension, some pedalling power goes into the elastomer block. A stiffer block can help but reduces comfort slightly. I have a 16″ with a firm block and a smaller chainring (I think they’re generally overgeared as stock), both help but it’s still more suited to flatter city streets than the local hills. Brilliant bike, I wouldn’t be without it – or on it over 200km – fair dues for that. [Log In](https://road.cc/roadcc-login/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) or [Register](https://road.cc/register/?redirect_to=https%3A%2F%2Froad.cc%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) to post comments ### Leave a Comment [Cancel reply](https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835#respond) You must be [logged in](https://road.cc/roadcc-login/?redirect_to=%2Fcontent%2Freview%2Fbrompton-g-line-roller-frame-8-speed-315835) to post a comment. ## Latest Comments Aluminium can 6 hours ago Logos not logs [in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https://road.cc/news/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments) Aluminium can 6 hours ago Maybe there would be more bike lanes if bicycles were easier for council workers to draw. (In Oz those bike logs are done with a stencil. 😉 ) [in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https://road.cc/news/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments) chrisonabike 7 hours ago Egads! There's clearly a bicycle on the pedestrian-marked part there! (Does that count as a "sidewalk"? ) [in: “Balance and concentration are indispensable”: Cyclist completes 2km wheelie climb…without the front half of his bike; Vandalism after the Tour of Flanders + more on the live blog](https://road.cc/news/cycling-live-blog-7-april-2026#comments) chrisonabike 7 hours ago All relative... I'm just pleased that sometimes such pro-active-travel measures appear are so clearly sensible (excellent value for money, wealth of positives with little in the way of downsides etc) that saying "we'll just get on and sort this" trumps the value of "but cyclists!" as a "political football". Or the "no more war on the motorist" slogan can in fact lose its pull. (And yes, that's still apparently a quick go-to for any party group...) [in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https://road.cc/news/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments) bikes 8 hours ago I wonder if the pedestrian was thinking 'dam, if only I had had my phone out I could have filmed this guy being a total idiot, imagine the shame and embarrassment... Oh well.' \! [in: Cyclist who almost collided with pedestrian after attempting to run red light tells man to “use a bit of common sense” in viral video](https://road.cc/news/cyclist-almost-collided-with-pedestrian#comments) HoarseMann 8 hours ago I think most of the 'transport baddies' have defected to Reform. The Conservatives are quite liberal these days 🧐😉\! [in: Council told to fix “weirdest and worst cycling infrastructure in Britain” to address “appalling” number of people driving to work](https://road.cc/news/council-told-to-fix-weirdest-and-worst-cycling-infrastructure-in-britain#comments) mdavidford 9 hours ago Ideally with a boxcar with no sides on the train, so they can jump through it. [in: Tadej Pogačar could face driving ban for running red light at railway crossing during Tour of Flanders, as train operator criticises riders setting “bad example”](https://road.cc/news/tadej-pogacar-could-face-driving-ban-for-running-red-light-at-railway-crossing-during-tour-of-flanders#comments) andystow 9 hours ago The same as Americans who are scared to visit Portland or Minneapolis. Oh no, so scary\! [in: “Balance and concentration are indispensable”: Cyclist completes 2km wheelie climb…without the front half of his bike; Vandalism after the Tour of Flanders + more on the live blog](https://road.cc/news/cycling-live-blog-7-april-2026#comments) chrisonabike 11 hours ago Well obviously - in the UK we have the superior concept of red lights needing time to become established before they're meaningful. [in: Tadej Pogačar could face driving ban for running red light at railway crossing during Tour of Flanders, as train operator criticises riders setting “bad example”](https://road.cc/news/tadej-pogacar-could-face-driving-ban-for-running-red-light-at-railway-crossing-during-tour-of-flanders#comments) chrisonabike 11 hours ago Shurely "it's time to \enforce\ UK laws?" Probably things drift - here a bit of (theoretical) push by tinkering with sentence guidance / possibly even law, there a bit of some societal "hey my kids use electric scooters that could have been them". And maybe even "now I'm not full time at the office I drive a bit less and sometimes even walk / cycle to the shops as parking's a nightmare"? [in: “Balance and concentration are indispensable”: Cyclist completes 2km wheelie climb…without the front half of his bike; Vandalism after the Tour of Flanders + more on the live blog](https://road.cc/news/cycling-live-blog-7-april-2026#comments) ## Related Reviews [![Velo de Ville E-Foldy (9).JPG](https://cdn.road.cc/wp-content/uploads/roadcc/velo-de-ville-e-foldy-9-300x200.jpg) Velo de Ville E-Foldy Folds pretty well, rides very well and carries a premium quality price tag](https://road.cc/content/review/velo-de-ville-e-foldy-316401) £3338.80 0 [![Brompton G Line with Roller Frame 8-speed](https://cdn.road.cc/wp-content/uploads/roadcc/2025-bromton-g-line-riding-1-300x200.jpg) Brompton G Line with Roller Frame 8-speed A bigger Brompton that's great for anything from commuting to multi-day adventures](https://road.cc/content/review/brompton-g-line-roller-frame-8-speed-315835) £2499.00 2 [![MiRider 20](https://cdn.road.cc/wp-content/uploads/roadcc/mirider-20-1-300x200.jpg) MiRider 20 More single speed throttle-powered fun. 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Readable Markdown	This review contains links to retailers. Purchases made after clicking on those links may help support road.cc by earning us a commission but all of our reviews are fully independent. The Brompton G Line is described on the company’s website as the ‘first ever Brompton with the ride feel of a full-size bike’, and that’s largely true: this is an easy-to-ride bike that’s very capable on a range of surfaces, and folds down into a very neat package for multi-mode travel. You genuinely can go off and do adventures on this thing, and you’ll have fun, although they won’t be your quickest adventures ever. [\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https://www.brompton.com/p/1347/g-line-with-roller-frame-8-speed) Unless you’ve been living under a rock for the last 50 years you’ll probably be aware of the Brompton, which with its 16-inch wheels and brilliantly simple fold is one of the most recognisable and popular folding bikes in the world. The G Line is the first Brompton that moves away from that wheel size. With its 20-inch wheels, big-chamber Schwalbe G-One Allround tyres, hydraulic disc brakes and Alfine 8-speed hub gear, it’s very much been marketed as a go-on-adventures bike – lots of social videos of the bike in kayaks and up mountains, that kind of thing. We’ll get to all of that, but personally I think it’s a bit of a smokescreen for something that Brompton has probably wanted to make for a while, which is just: a bigger bike. ### Brompton G Line: Ride I’ll be upfront here – I don’t get on all that well with ‘normal’ Bromptons. This is because I’m a big rider, tall (1.89m) and heavy (100kg), and the one-size-fits-all geometry just doesn’t work all that well at my end of the bell curve. I can ride a Brompton fine, but it’s not that enjoyable. (It’s not me in the pics, by the way, that’s Stu.) ![2025 Bromton G Line riding-2.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-2.jpg) 2025 Bromton G Line riding-2 (Image Credit: Farrelly Atkinson) The G Line is much, much better. You’re still getting the same UK-built hand-brazed steel frame, and the excellent fold, and the attention to detail, but in a significantly bigger package. The bike has a longer reach, and a longer wheelbase, and position-wise it just feels more like a normal bike. The three sizes – S, M, L – all use the same frame but swap out seatposts and handlebar components to offer a bit more room the bigger you go. ![2025 Brompton G Line - brompton decal](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-brompton-decal.jpg) 2025 Brompton G Line - brompton decal (Image Credit: Farrelly Atkinson) The change is most noticeable when you’re standing up out of the saddle on a steep climb. Standing up on a 16in-wheeled Brompton isn’t that much fun, or even that effective – the bike doesn’t respond well to the change in weight distribution and I always felt a bit vulnerable. The first time I tried it on the G Line was a revelation, because it just feels completely normal. ![2025 Bromton G Line riding-5.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-5.jpg) 2025 Bromton G Line riding-5 (Image Credit: Farrelly Atkinson) In fact, the bike feels entirely normal for 90 per cent of the time you’re riding it. There are some things it doesn’t do all that well (more on that in a bit) but if you’re mostly riding the bike on decent surfaces and occasionally hitting rougher terrain then there’s a lot to like about the ride. ![2025 Bromton G Line riding-6.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-6.jpg) 2025 Bromton G Line riding-6 (Image Credit: Farrelly Atkinson) It’s very composed, and the combination of big tyres and the elastomer in the rear make it pretty comfortable too. This isn’t the kind of bike you tear down descents on, or lean hard into corners, but I never really got myself into trouble, even off-road. The hydraulic disc brakes are certainly a boon when it comes to scrubbing off some speed. ![2025 Bromton G Line - rear disc.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-rear-disc.jpg) 2025 Bromton G Line - rear disc (Image Credit: Farrelly Atkinson) We’ve talked about standing up and I found myself doing that a fair bit, because for me the bike is a bit overgeared. The Shimano Alfine 8-speed hub gear is an excellent unit, but the 306% range isn’t enormous; a 1x setup with an 11-42T cassette is about 380%, and a 50/34 double with an 11-34T cassette is over 450%. That means there’s some compromise in terms of where to put the gears, and Brompton has opted for a 54-tooth chainring and 20-tooth sprocket, which gives an effective range of 28.9 to 88.5 in old-fashioned gear inches, or 2.31m to 7.06m of development. ![2025 Bromton G Line - hub gear.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-hub-gear.jpg) 2025 Bromton G Line - hub gear (Image Credit: Farrelly Atkinson) Those numbers may or may not mean anything to you, but the lowest gear isn’t all that low; my standard single-ring gravel bike is about 15 per cent lower at the bottom end, and even that’s not geared especially spinny. Of course, if you move the goalposts then all the gears shift, and the top gear isn’t especially high either, but that was less of an issue for me. If I were to buy one of these, I’d probably swap out the chainring for something a bit smaller. I am a big lad, though. ![2025 Bromton G Line - chainset.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-chainset.jpg) 2025 Bromton G Line - chainset (Image Credit: Farrelly Atkinson) I found most of this out – or was found out, depending on how you look at it – on one of my main testing rides, which was an attempted 200km audax where we caught the train down to Southampton and rode back in the direction of Bath, over a variety of surfaces. About half of it was unsurfaced, and some of it was very slow going. There’s a write-up of the ride [here](https://road.cc/content/blog/can-i-ride-200km-12-months-row-6-315701), but the TL;DR is that I was cooked by the time we got to Shaftesbury, 130km in, and I limped back to Warminster and got on the train the rest of the way. A 160km day in total. ![Dave RRtY August-8.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/dave-rrty-august-8.jpg) Dave RRtY August-8 (Image Credit: Farrelly Atkinson) The reason I didn’t finish was entirely down to the fact that I’d bitten off more than I could chew. Had I done the route on my ‘normal’ gravel bike (a Cannondale Topstone Carbon), I reckon I would have been okay, just about. And if I’d trained it down to the coast and ridden the Brompton back on the tarmac that would likely have been successful too. But the combination of Brompton and gravel was just a bit much that day, and even if I hadn’t run out of puff we probably would have run out of time. ![2025 Bromton G Line - chain tensioner.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-chain-tensioner.jpg) 2025 Bromton G Line - chain tensioner (Image Credit: Farrelly Atkinson) Why? Well, the Brompton G Line isn’t quick. It’s very well built and easy to ride, but it’s still a 15kg bike with a hub gear and small wheels and big tyres. You can’t go as fast as you do on your fancy-pants lightweight 700C derailleur-geared bike for the same effort – that’s just physics. ![2025 Bromton G Line riding-3.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-3.jpg) 2025 Bromton G Line riding-3 (Image Credit: Farrelly Atkinson) For a lot of the bikepacking and touring that Brompton is suggesting this bike would be good for, that’s not a problem, because you’re unlikely to be attempting to knock out a big ride against a deadline. But still, it’s worth knowing. Smaller-wheeled Bromptons can be pretty light and nippy: for the same money as the G Line you can have a sub-10kg [P Line](https://www.brompton.com/p/827/p-line-urban-23) and those things go like stink. You need to adjust your filter here. [\> Buyer’s Guide: Best folding bikes — portable bikes for convenient commuting](https://road.cc/buyers-guide/best-folding-bikes) Also, small wheels have their limits off-road. I’ll preface this by saying I was genuinely impressed by how well the G Line handles once you leave the tarmac. Our audax ride had a bit of everything – well-graded railway paths, sandy New Forest heathland, rocky bridleways, even a mountain bike trail with North Shore-style wooden boards – and it coped admirably. I was only actually defeated twice: once on some hateful climb somewhere near Blandford Forum that a kind farmer had helpfully resurfaced with golf ball-sized rocks so he could get his excavator up and down it. And once on Gold Hill in Shaftesbury, where the combination of an overgeared bike, small wheels and lumpy cobbles was enough to force me into walk mode near the top. ![2025 Bromton G Line - tyre.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-tyre.jpg) 2025 Bromton G Line - tyre (Image Credit: Farrelly Atkinson) Everything else was rideable, but not everything else was fun. Sand is especially bad on small wheels, which dig in and rob you of all your speed, and there was a lot of that in the first few hours of the ride. All of which is to say: if you want to go out and do adventures, you definitely can. But some bits might be tough. ### Brompton G Line: Load & fold Talking of adventures, the G Line is set up to take plenty of luggage. Our test bike came with the roller frame, which both gives you somewhere to hang your panniers and also lets you push the bike around easily once it’s folded. ![2025 Bromton G Line - rack and rollers.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-rack-and-rollers.jpg) 2025 Bromton G Line - rack and rollers (Image Credit: Farrelly Atkinson) Folding the G Line is as easy as folding any other Brompton, which is to say it’s important to learn how to do the things in the right order, but once you’ve got that dialled it genuinely takes seconds. It folds to 28.3 x 26.2 x 16in (72 x 67 x 41cm), compared with 25.3 x 23 x 10.6in for the P Line. ![2025 Bromton G Line - folded.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-folded.jpg) 2025 Bromton G Line - folded (Image Credit: Farrelly Atkinson) I actually found it easier than a standard Brompton, firstly because it’s a bit bigger, and secondly because the frame and steerer clamps are a better design and locate in place more easily. One thing to note, though, is that it’s not especially stable – it’ll sit fine on its wheels, but there’s more weight on the handlebar side and it wants to fall that way. Also, be careful you pay attention on sloped railway platforms in case the bike just rolls off towards the tracks and an oncoming train. Just saying. ![2025 Bromton G Line - front hinges.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-hinges.jpg) 2025 Bromton G Line - front hinges (Image Credit: Farrelly Atkinson) I fitted panniers just to prove I could, but mostly I used an ancient AGU rack-top bag that was a good fit for the rear rack and held enough stuff for a day ride. You have to take that off before you fold the bike, obviously, and the same for panniers. The bike can also be used with Brompton’s front-mounted bags, and there are some specific G Line ones available. ![2025 Bromton G Line - front bag mount.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-front-bag-mount.jpg) 2025 Bromton G Line - front bag mount (Image Credit: Farrelly Atkinson) If you’re on a long ride you’re going to need fluids, and the G Line helpfully has two sets of bottle cage mounts. There’s one on the inside of the stem, which is the one I used because it’s easy to access. The alloy fork has another set on one side (the side facing out when it’s folded) and you could use that for a second bottle or for more luggage space. ![2025 Bromton G Line - fork mount.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-fork-mount.jpg) 2025 Bromton G Line - fork mount (Image Credit: Farrelly Atkinson) Given that it’s not a big bike you can fit plenty of stuff on it in a variety of ways: the flat handlebar would take a small bar roll, and you could fit a big seatpack. ![2025 Bromton G Line - handlebars.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-handlebars.jpg) 2025 Bromton G Line - handlebars (Image Credit: Farrelly Atkinson) ### Brompton G Line: Tour de force Would I use it for a loaded tour? I can definitely see the appeal, especially if you’re planning a tour that involves trains. Let’s be honest, travelling with any bike on any UK train is an enormous ball-ache, and travelling with a loaded bike just makes it worse. I love the fact that the G Line is capable enough to take all your luggage, nice to ride, and still folds up small enough that you can give your local Train Operating Company two fingers and get on whatever service you fancy. Or you could even head over to the continent: taking it on the tube to St Pancras is no problem, and neither is the Eurostar (although you will need a bag for it). So long as you’re in no hurry to get home again, it’s a great companion. ![2025 Bromton G Line riding-4.jpg](https://cdn.road.cc/wp-content/uploads/roadcc/styles/main_width/public/2025-bromton-g-line-riding-4.jpg) 2025 Bromton G Line riding-4 (Image Credit: Farrelly Atkinson) If your ambitions are more modest, it’s a great bike for year-round commuting. Stick it in the car boot or roll it onto the train and it’s not going to let you down. The low-maintenance drivetrain and full mudguards mean it’s set up to cope with all the weather, and the big tyres will be welcome if your urban roads are anything like ours. Check out our guide to the [best bikes for commuting](https://road.cc/buyers-guide/best-commuter-bikes), for more options. ### Brompton G Line: Value and conclusion At £2,499 it’s not cheap, but in terms of the Brompton range it’s very much in the middle. You can spend over four grand on a sub-8kg T Line Ultralight, and even a no-frills A Line is a grand these days. If I was going to buy a Brompton, it’s the Brompton I’d buy. I like the ride and the versatility of the bigger wheels and frame, I prefer the dependable hub gear and disc brakes over the more esoteric options on the 16-inch bikes, and I don’t need the more compact fold. There’s really not a lot to directly compare it with either, in terms of similar bikes. We reviewed the [Birdy Touring](https://road.cc/content/review/birdy-touring-295093) a few years back, a similarly priced folder with a touring bent, but that’s about where the similarities end. As much as any bike is unique, you’d probably say this Brompton is: a gravel-orientated touring folder? I’m in. [\> Buy now: Brompton G Line with Roller Frame for £2,499 from Brompton](https://www.brompton.com/p/1347/g-line-with-roller-frame-8-speed) ### Verdict A bigger Brompton that’s great for anything from commuting to multi-day adventures All the deals displayed on our review pages are pulled from a constantly updating database feed of the best affiliate deals available. The criteria for deciding on what are the best deals is who is offering the lowest, delivered price. In most cases we will be showing the very best deal available online, but sometimes you may be able to find an item cheaper. If you can please feel free to post a link in the comments box below. To find out more about affiliate links on road.cc click [here](https://road.cc/content/review/blog/how-does-roadcc-makes-money-300903/). road.cc test report Make and model: Brompton G Line with Roller Frame 8-speed Size tested: L List the components used to build up the bike. From Brompton: Grips: Ergonomic grips Seatpost: Small – Standard Black, Medium – Extended Black, Large – Telescopic Black Saddle: Superlight Seatclamp: G Line Aluminium Hinge Clamps: Self-aligning hinge clamps Pedals: Wide Platform Quick Release Drivetrain: Brompton 8-speed drivetrain Number of gears: 8 gears Chainset: 54T Headset: Brompton headset Shifters: Microshift Derailleur: Shimano Alfine Hub System Rear Wheel: 20″ Front Wheel: 20″ Tyres: Schwalbe G-One All Round 54-406. Tan wall Mudguards: Included Lighting: Reflectors Pump: Not included Rack: Included Brakes: Tektro Hydraulic Disc brakes with 140mm Rotor Front Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage On Bike Accessories: Not included Weight: From 14.8 kg Speed: 8-speed Material: Steel Folded Size: 28.3″ / 72cm (D), 26.2″ / 67cm (H), 16″ / 41cm (W) Main Frame: Hand-brazed steel main frame Rear Frame: Steel Fork: Aluminium fork with mounting bosses Tell us what the bike is for and who it’s aimed at. What do the manufacturers say about it? How does that compare to your own feelings about the bike? From Brompton: Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. Brand-new geometry, 20′ wheels, game-changing comfort and capability. All holistically designed around the fold that made us famous. It’s your one-bike solution to the city and beyond. G Line. The most versatile bike in the world Expertly engineered to go where others can’t. G Line is the first ever Brompton with the ride feel of a full-size bike. 20′ wheels Big enough for any adventure yet compact enough to fit inside the fold. The G Line’s solidly built 20′ wheelset comes equipped with custom-made puncture-resistant tyres. Hydraulic disc brakes Super dependable stopping power. The first ever Brompton to come equipped with disc brakes for all terrain, all-weather riding. Wide platform pedals The grippiest, most comfortable Brompton pedal set. The left hand pedal can be released with a quick squeeze and pull to make your folded bike even more compact. Stay in control. With the custom made handlebars, G Line gives you exceptional stability – from leverage on uphills and rough ground to comfort on longer rides. Ergonomic grips Every touchpoint between you and the bike is designed with comfort and control in mind. Big on ride feel, compact in size We created G Line to be the best one-bike solution for the city and beyond, and then we made it a Brompton. The frame geometry is comparable to a full size bike, yet it transforms into a compact package that stores and travels easily. So you can go anywhere. The most capable Brompton ever Rigorously tested over 250,000 km, first to meet industry standards, then to meet ours, G Line goes where others can’t. Now, you can confidently tackle everything from dusty singletrack to rain-soaked cobbles. This bike does it all with ease. Game-changing comfort Nothing feels like G Line – the entirely new frame, all-new 20′ wheels, our widest ever handlebars and tyres. Everything is thoughtfully engineered to give the balanced feel of a mountain bike and all-day comfort that’s nothing short of joyous. You’ll feel the difference on every ride. Where does this model sit in the range? Tell us briefly about the cheaper options and the more expensive options Kind of in the middle (price) but also kind of on its own (use case, wheel size). Overall rating for frame and fork 9/10 Tell us about the build quality and finish of the frame and fork? Great build quality and finish. Tell us about the materials used in the frame and fork? Steel frame, alloy fork. Tell us about the geometry of the frame and fork? It’s bigger than a 16-inch Brompton with a 1,120mm wheelbase. Stack 697mm, reach 504mm (reach is not directly comparable here because there’s no stem length). How was the bike in terms of height and reach? How did it compare to other bikes of the same stated size? It fitted me very well. Most of my road bikes are ~400mm reach. This is 504mm but directly to the bar, so about equivalent to a 400mm reach bike with a 100mm stem, so I’d expect it to fit me, and it does. Stack is a bit harder to make an equivalent; again it’s to the bar. On a road bike it’d be to the top of the head tube. So you’d add some spacers (say 20mm) and the stem height. Probably that 697mm equates to maybe 650mm on a road bike, which would be pretty upright for me, which is how it feels. Was the bike comfortable to ride? Tell us how you felt about the ride quality. It’s a very comfortable bike even over distances you wouldn’t normally attempt on a folder. Did the bike feel stiff in the right places? Did any part of the bike feel too stiff or too flexible? It’s plenty stiff enough for the kind of riding you’ll do. How did the bike transfer power? Did it feel efficient? It’s not the most efficient bike: big tyres, hub gear. Was there any toe-clip overlap with the front wheel? If so was it a problem? No issues. How would you describe the steering? Was it lively neutral or unresponsive? Fairly neutral. Tell us some more about the handling. How did the bike feel overall? Did it do particular things well or badly? Narrowish bar makes the steering feel a bit faster than it really is. Which components had the most effect (good or bad) on the bike’s comfort? would you recommend any changes? Saddle was good, bar grips were good but lack of multiple hand positions starts to bite after a while. Which components had the most effect (good or bad) on the bike’s efficiency? would you recommend any changes? A derailleur setup would be more efficient but the hub gear makes a lot of sense. Rate the bike for efficiency of power transfer: 7/10 Rate the bike for acceleration: 6/10 Rate the bike for sprinting: 3/10 Rate the bike for high speed stability: 7/10 Rate the bike for cruising speed stability: 9/10 Rate the bike for low speed stability: 8/10 Rate the bike for flat cornering: 7/10 Rate the bike for cornering on descents: 7/10 Rate the bike for climbing: 5/10 Rate the drivetrain for performance: 8/10 Rate the drivetrain for durability: 9/10 Rate the drivetrain for weight: 5/10 Rate the drivetrain for value: 6/10 Tell us some more about the drivetrain. Anything you particularly did or didn’t like? Any components which didn’t work well together? A bit overgeared for some of the uses that Brompton pushes in the advertising. Rate the wheels for performance: 8/10 Rate the wheels for durability: 9/10 Rate the wheels for weight: 6/10 Rate the wheels for comfort: 9/10 Rate the wheels for value: 6/10 Rate the tyres for performance: 8/10 Rate the tyres for durability: 8/10 Rate the tyres for weight: 7/10 Rate the tyres for comfort: 9/10 Rate the tyres for value: 7/10 Rate the controls for performance: 8/10 Rate the controls for durability: 8/10 Rate the controls for weight: 7/10 Rate the controls for comfort: 7/10 Rate the controls for value: 6/10 Anything else you want to say about the componentry? Comment on any other components (good or bad) I think the spec is a really sensible one; there’s nothing I’d change. Did you enjoy riding the bike? Yes Would you consider buying the bike? Yes Would you recommend the bike to a friend? Yes How does the price compare to that of similar bikes in the market, including ones recently tested on road.cc? There really aren’t any bikes that are especially similar… Rate the bike overall for performance: 8/10 Rate the bike overall for value: 6/10 Use this box to explain your overall score Overall I’d say this is a very good bike. The majority of people probably won’t go adventuring on it but it makes a lot of sense as an everyday commuter too. It’s not especially quick, but it is fun to ride and copes with a wide range of terrain. Overall rating: 8/10 Age: 52 Height: 189cm Weight: 99kg I usually ride: whatever I’m testing… My best bike is: Lauf Úthald, Kinesis Tripster ATR, Dward Design fixed I’ve been riding for: Over 20 years I ride: Every day I would class myself as: Expert I regularly do the following types of riding: commuting, touring, club rides, general fitness riding, fixed/singlespeed, Mountain Bike Bog Snorkelling, track
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