Brompton Venture G Line Alfine 11-Speed Trail Dust White Medium or Large
A PortaPedal Exclusive! We've just built up an 11-speed Brompton G Line using Shimano's Alfine 11-speed internally geared hub. Provides a very wide adventure-loving gear range of 23 to 96 gear inches facilitating all-day climbing and fast descending. To help keep you rolling, no matter what time of day, this G Line sports a SON Schmidt 28 Dynamo hub with their top of the line Edelux II 100 lux headlight and B&M Toplight Small Plus Dynamo taillight.
It will take you anywhere you want to go!
MEDIUM BIKE - Rider height 5'8" - 6'0", Reach 483mm, Stack 687mm, with Extended seatpost
LARGE BIKE - We can change the stem on this bike to provide a Large Size to fit Rider Height 6'-0" - 6'-6", Reach 504mm, Stack 697mm, at no extra cost upon request at checkout.
Features
- Tires: Schwalbe 20" G-One All Round 54-406, tubeless ready.
- Rims: Velocity Cliffhanger, tubeless ready.
- Brakes: Tektro Hydraulic Disc brakes with 140mm Rotor for dependable stopping power in all types of terrain and weather.
- Gearing: Shimano Alfine 11-speed internally geared hub. 44T chainring with 23-96 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 taillight saddle mounted, Edelux II Dynamo headlight, B&M Toplight Small Plus rear rack mounted Dynamo taillight, front carrier block for all types of Brompton luggage.
What our Experts Think
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Smooth, Powerful 11‑Speed Performance – Alfine internal gearing delivers reliable, crisp shifts for climbs, cruising, and varied terrain.
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Balanced, Comfortable Ride – Designed with larger wheels and stable geometry for confident handling on city streets and trail routes.
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Tailored Fit Options – Available in Medium or Large frame sizes for better rider comfort and control.
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Strong, All‑Weather Stopping – Hydraulic disc brakes provide consistent braking power in varied conditions.
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Compact, Practical Folding – Brompton’s signature fold makes storage, travel, and multimodal commuting effortless.
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Expert Verdict – A premium folding bike that blends performance, versatility, and daily practicality — ideal for riders seeking long‑distance comfort and adventure capability.
Q&A
Q: What makes the Venture G Line Alfine special?
A: It combines Brompton’s folding convenience with a smooth 11‑speed Alfine hub, larger wheels, and wider tires for more capable and comfortable rides.
Q: How many speeds does it have?
A: 11‑speed Alfine drivetrain for reliable and smooth gear changes on flats and climbs.
Q: What sizes are available?
A: Available in Medium and Large to suit different rider heights and preferences.
Q: Is it suitable for commuting?
A: Yes — ideal for daily commuting, city rides, and adventure routes with varied terrain.
Q: Does it fold compactly?
A: Yes — retains Brompton’s quick, compact folding system for easy transport and storage.
Q: Who is this bike best for?
A: Riders who want a high‑performance folding bike with versatility, comfort, and portability.
Maintenance Tips
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Clean After Rides: Wipe frame, drivetrain, and wheels after urban or trail rides. Use mild soap and water only; dry thoroughly.
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Drivetrain Care: Clean and lubricate the Alfine 11-speed internal hub and chain every 100–150 miles for smooth shifting and long component life.
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Tire & Brake Checks: Maintain proper tire pressure and inspect brake pads regularly.
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Folding Hinges: Keep fold points clean and lightly lubricated to preserve smooth folding performance.
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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.
