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Brompton C Line 12 Speed Mid Handlebar

Brompton C Line 12 Speed Mid Handlebar
£1,599.00

Main specification

  • Derailleur Brompton Patent-pending direct mount 12-speed derailleur
  • Gears 12
  • Drivetrain type Chain
  • Brakes Brompton Dual Pivot Calipers, Rim brake
  • Fork/Shock model Steel brazed fork
  • Wheel size 16"
  • Weight (kg) 12.0
Frame Size

Brompton C Line 12 Speed Folding Bike – Go Further, Stay Compact

Meet your new favourite way to get around the city: the Brompton C Line 12 Speed Folding Bike. Designed for urban life and built for the journey ahead, this compact bike gives you the freedom to move without limits.

Handmade in the Brompton London Factory, the C Line folds down in under 20 seconds into a tidy, locked package that rolls easily beside you—perfect for busy commutes, café stops, or storing under your desk. With the new 12-speed gear system, you get a wide range to tackle everything from city streets to hilly adventures, rivalling traditional road and commuter bikes, all in Brompton’s famously compact form.

Thanks to the Advanced Rear Frame and larger rolling wheels, you can glide your folded bike through stations and crowded spaces with ease. It’s smooth, intuitive, and designed to make daily travel feel effortless.

Whether you're commuting to work, running errands, or setting off on a weekend ride, the Brompton C Line 12 Speed is the smart, stylish, and sustainable choice for city cyclists who want it all—performance, convenience, and timeless design.
Two people riding Brompton folding bikes along a city street.
Two people riding Brompton folding bicycles on a road, one with a green bike and the other with a dark purple.

Fresh New Colours – Let Your Brompton Show Some Personality

The C Line 12-Speed now comes in three bold new colours: Flamingo Pink, Turkish Green, and Amethyst Lacquer—each adding standout style to your ride. Finished with durable, eco-friendly powder coat in Brompton’s London factory, every bike reflects the brand’s craftsmanship and character.
A person walking with a flaming pink Brompton folded bike on a dock.

Now with 12 Speeds – More Gears, More Freedom

The C Line 12-Speed adds a wider gear range for bigger rides and steeper hills—perfect for going further with ease. Inspired by the lightweight P Line, it’s a more versatile take on the classic Brompton.
With the Advance Rear Frame, it rolls effortlessly when folded, making city travel even smoother.
Person riding a Brompton folding bicycle on a sidewalk with palm trees in the background.

The Classic Brompton Folding Bike – Built for City Life

The Brompton C Line is the original steel folding bike, handmade in London since 1975. It folds in 20 seconds into a compact, easy-to-carry package—perfect for trains, desks, or car boots. Customisable with luggage, a rear rack, and a hidden toolkit, it’s a smart, go-anywhere city bike.

Detailed information

Category General Info
Weight From 12 kg
Speed 12-speed
Material Steel
Folded Size 25.3" H x 23" W x 10.6" D
Category Frame
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
Headset Brompton headset
Seatclamp Composite seat clamp and rear frame clip
Hinge Clamps Composite hinge clamp levers
Category Cockpit
Grips Lock-on grips with soft-compound rubber adhered to an engineered core
Category Seating
Seatpost Standard, Black (33")
Saddle Standard
Category Drivetrain
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
Shifters Brompton 4 speed derailleur shifter & 3 speed hub gear shifter
Sprockets 11-18 Tooth
Derailleur Patent-pending direct mount 12-speed derailleur
Category Wheels And Tires
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
Category Brakes
Brakes Brompton Dual Pivot Calipers
Category Accessories And Utility
Mudguards Included
Lighting Reflectors
Roller Wheels Advance Roller Wheels
Rack Not included
Front Carrier Front carrier block adaptor for all types of Brompton luggage
On Bike Accessories Lezyne Pump and Mounts & Brompton Bell
Category General Info
Disclaimer * Specifications are subject to change without notice