Brompton C-Line Folding Bike, 4-Speed, Black Matt/ Black, Mudguards & Rear Rack, Standard seat-post, High-Bars
Information
BROMPTON C LINE
The C Line folding bike captures the same fun-to-ride, go-anywhere feeling it always has. And today, with refined geometry, sleek design updates and modernised components, it does it better than ever.
Classic all-steel folding bike • Hand-built in London • 16-inch wheels
This Brompton bike is a custom-build product.
To complete your purchase, please contact our team via live chat, email, or phone so we can configure the bike to your exact needs. Custom assembly typically takes 4–7 weeks.
We may also have pre-assembled models in stock for you to view or test ride—please get in touch to check availability.
Handlebar Types & Rider Height Guide
Brompton handlebar types determine riding posture, comfort, and visibility.
M Handlebar — “Mid” (Most Popular)
- Riding Position: Upright + comfortable
- Best For: Daily commuting, mixed city riding
- Recommended Rider Height: 165–180 cm
H Handlebar — “High” (Tall / Most Upright)
- Riding Position: Very upright
- Best For: Tall riders or anyone with back/neck sensitivity
- Recommended Rider Height: 175–190+ cm
S Handlebar — “Sport” (Low / Fastest)
- Riding Position: Lower, more aerodynamic
- Best For: Sporty riders wanting speed
- Recommended Rider Height: 160–175 cm
Weight: From 11.3 kg
Speed: 4-speed
Material: Steel
Folded Size: 25.3" H x 23'' W x 10.6'' D
Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Hand brazed cold-formed micro-alloy steel tubing
Fork: Steel brazed fork
Grips: Lock-on grips with soft-compound rubber adhered to an engineered core
Seatpost: Extended, Black (35")
Saddle: Standard
Seatclamp: Composite seat clamp and rear frame clip
Hinge Clamps: Composite hinge clamp levers
Pedals: Brompton Folding left hand and non-folding right-hand pedals
Drivetrain: Brompton Wide-range 4-speed drivetrain
Chainset: 6061 forged aluminium crank with 50T chainring and integrated chainguard
Bottom Bracket: Square taper bottom bracket
Headset: Brompton headset
Shifters: Brompton 4-speed trigger shifter
Sprockets: 11-13-15-18 Tooth
Derailleur: Brompton Chain pusher
Rear Wheel: Double wall rim, 28 spoke, Brompton Wide ratio 2-speed internal gear hub
Front Wheel: Double-wall rim, 28 spokes laced to a Brompton front hub
Tires: 349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall
Tubes: Schrader valve
Mudguards: Included
Lighting: Reflectors
Rack: Not included
Brakes: Brompton Dual Pivot Calipers
Front Carrier: Front carrier block adaptor for all types of Brompton luggage
