BROMPTON BIKE C Line 12-speed SuperRoll+ - MY27

The original steel folding bike built for the city. Proudly handmade in London since 1975. It transforms from a go-anywhere vehicle to a small, locked package in under 20 seconds.

You can go anywhere with your C Line. Weighing about the same as a small suitcase, it's easy to lift, carry and store. Going further? Fold halfway, to tow, roll or glide.

C Line - 12-speed

The Brompton C Line 12-speed is the ultimate city companion, blending iconic British craftsmanship with cutting-edge portability. Proudly handmade in London since 1975, our bikes transform from a full-sized ride into a compact, locked package in under 20 seconds. Whether navigating bustling streets, hopping on a train, or tucking it under a café table, the C Line is designed to move with you effortlessly. Now featuring a new 12-speed system, it delivers an impressive gear range—matching, if not exceeding, traditional road and commuter bikes—all while maintaining Brompton’s renowned compact design. The Advance Rear Frame takes portability even further, allowing riders to glide and steer their folded bike with ease, thanks to larger, smoother-rolling wheels.   

Personalisation has always been at the heart of Brompton, and the C Line 12-speed continues this tradition with three striking new colours: Cloud Metallic, Palm Green and Plum Red. Its unique Brompton Luggage System ensures a stable ride, even when carrying heavy loads, by keeping weight on the frame rather than the handlebars. Whether you're commuting, adventuring, or simply enjoying the ride, the C Line 12-speed is a versatile, stylish, and practical bike that redefines urban mobility.

12-speed From 12 kg Steel Weight From 12 kg Speed 12-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 Brompton Advance Rear Frame 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 12-speed drivetrain, 402% range Chainset 6061 forged aluminum crank with 50T chainring and integrated chainguard Bottom Bracket Square taper bottom bracket Headset Brompton headset Shifters Brompton 4 speed derailleur shifter & 3 speed hub gear shifter Sprockets 11-18 Tooth Derailleur Patent-pending direct mount 12-speed derailleur Rear Wheel Double wall rim, 28 spoke, Brompton Wide ratio 3 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 tire with a reflective sidewall Tubes Schrader valve Mudguards Included Lighting Reflectors Roller Wheels Advance Roller Wheels Rack Not included Brakes Brompton Dual Pivot Calipers Front Carrier Front carrier block adaptor for all types of Brompton luggage On Bike Accessories Brompton Bell Disclaimer * Specifications are subject to change without notice