Brompton G Line 8-Speed Forest Green 3 Sizes
New from Brompton is their G Line – with an entirely new frame, larger 20” wheels, their widest ever handlebars and tires.
Everything is thoughtfully engineered to give the balanced feel of a full-size bike and all-day comfort that’s nothing short of joyous - you’ll feel the difference on every ride!
SMALL BIKE FRAME - Rider height 5'0" - 5'-9", Reach 477mm, Stack 677mm, with Standard seatpost
MEDIUM BIKE FRAME - Rider height 5'8" - 6'0", Reach 483mm, Stack 687mm, with Extended seatpost
LARGE BIKE FRAME - Rider height 6'0" - 6'6", Reach 504mm, Stack 697mm, with Telescopic seatpost
Features
- Tires: Schwalbe 20" G-One All Round 54-406, tubeless ready.
- Brakes: Tektro Hydraulic Disc brakes with 140mm Rotor for dependable stopping power in all types of terrain and weather.
- Gearing: Shimano Alfine 8-speed internally geared hub. 54T chainring with 29-88 gear inches.
- Wide platform grippy pedals. Left hand pedal is Quick-Release.
- Wide 64cm handlebars for better leverage and a big bike feel.
- Ergonomic grips for better comfort and control.
- Brompton lightweight saddle with convenient carry handle under the nose.
- Complete with lightweight Advance Roller Rear Rack, Mudguards, Cateye rechargeable saddle-mounted taillight, front carrier block for all types of Brompton luggage
What our Experts Think
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Smooth, Comfortable Ride – Larger wheels and wider tires deliver stable handling on city streets, trails, and mixed surfaces.
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8‑Speed Reliability – Easy, low‑maintenance gear shifts help you conquer hills and varied terrain with confidence.
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Fits Every Rider – Available in Small, Medium, and Large frame sizes for a personalized comfort fit.
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Consistent Stopping Power – Hydraulic disc brakes provide dependable control in all conditions.
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Fast, Compact Fold – Signature Brompton folding design allows quick storage and effortless transport.
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Expert Verdict – A versatile folding bike that blends everyday practicality with adventure‑ready performance in a premium Forest Green finish.
Q&A
Q: What makes the Brompton G Line unique?
A: Combines Brompton’s compact folding design with larger wheels and wider tires for stability and mixed-terrain capability.
Q: How many speeds does it have?
A: 8-speed drivetrain for versatile urban and light trail riding.
Q: Does it fold compactly?
A: Yes—retains Brompton’s quick and compact folding system for easy transport and storage.
Q: What sizes are available?
A: Offered in three frame sizes to suit different rider heights and preferences.
Q: Is it suitable for commuting?
A: Yes—perfect for daily commuting, city riding, and light off-road trails.
Q: Who is this bike best for?
A: Riders seeking a portable folding bike with enhanced stability and adventure-ready performance.
Maintenance Tips
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Clean After Rides: Wipe frame, drivetrain, and wheels after trail or urban use. Use mild soap and water only; dry completely.
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Drivetrain Care: Clean and lubricate chain and 8-speed gears every 100–150 miles for smooth shifting and long-lasting performance.
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Tire & Brake Checks: Maintain proper tire pressure and inspect brake pads regularly, especially after off-road or heavy use.
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Folding Joints: Keep hinges clean and lightly lubricated to maintain smooth folding action.
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Fasteners & Cables: Periodically check bolts, cables, and headset for tightness and wear.
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Storage: Store indoors in a dry place to protect frame finish and components.
