Brompton G Line 8 speed with Roller Frame 2026 - Folding Bike
G Line
The G Line features an entirely new frame from Brompton, built around larger 20” wheels to offer a balanced feel of a full-size bike and all-day comfort. This new frame allows for more space allowing riders to fit racks, mudguards and bags for longer rides and adventures. It rides just like a full-sized bike, yet folds into a compact size for riders to store and travel with ease.
Larger Wheels
Big enough for any adventure, yet compact enough to fold with ease. The Larger 20” wheels roll over bumps easier offering a smoother more stable ride. The G Line's 20” custom-made, puncture-resistant tyres are also tubeless-ready, giving you the option for tubeless when you're ready.
Hydraulic Disc Brakes
Brompton's hydraulic disc brakes offer super dependable stopping power. The G Line is the first ever Brompton to come equipped with disc brakes for all terrain and all-weather riding. Uphill, downhill, rough, smooth, with luggage, in the rain, you can do it all on the G Line.
Wider Handlebars
Stay in control with the custom-designed handlebars from Brompton. These wider handlebars give you exceptional stability from leverage on uphills, control on rough ground and comfort on longer rides. They are also expertly designed to fit inside the fold.
Shimano Alfine 8-Speed Shifting
The G Line is equipped with the dependable Shimano Alfine 8 gear system that covers all terrain. It’s super simple to use and low maintenance, with just one trigger on your handlebars. The gears are tucked away inside your rear wheel hub, protected from impact and the elements.
In Stock
- Built and dispatched in 1-3 working daysIt's a Brompton, if you want cheap, go for another brand. I did in the past and the folding was terrible. I've always fancied a Brompton, but now they do a 20" wheel 'gravel-ish' one I had to go for it. Build quality is excellent and Tredz setup meant it was good to go out of the box. I tried a 16" wheel Brompton at a bike show years back and it did feel like it would take a bit of getting used to, but this one just rides like a full sized bike. My only suggestion is go tubeless ASAP as removing the back wheel isn't a 2 minute job and can't imagine trying to fix a rear puncture at the roadside.