Description
Brompton Electric C Line 4-Speed
Electric C Line with SuperRoll+ – e-Motiq system – 4-speed
Compact, portable and unstoppable. The original folding bike powered by the e-Motiq system – do even more of what you love.
Moving folded has never been this easy. Thanks to our unique engineering, your Brompton stays locked together as you roll. Lift the seatpost for Shopper Mode. Drop the seatpost for Suitcase Mode. Push. Pull. Steer. Glide. That’s SuperRoll. Add the Roller Rack and you unlock SuperRoll+. It shifts the centre of gravity, so your bike feels lighter. Four wheels on the base mean even faster, smoother, more stable rolling.
The original icon, re-engineered
Built on 50 years of expertise, the Electric C Line is everything you’ve always loved in a Brompton. Unrivalled portability, the smile-inducing ride feels, the handbuilt quality, but with the power and intelligence to do even more. Fine-tuned with the all-new e-Motiq system, the new Electric C Line connects the city and beyond, effortlessly – moving with you indoors and out. More than just a bike, it’s a tool by your side that make you smile every day.
Brompton e-Motiq system
Get ready for compact power and a smile-inducing ride feel with the all-new e-Motiq system. From the custom-built rear hub motor to the intuitive handlebar control, it’s engineered for the best electric experience. Smarter still, over your first 62 miles the bike learns your style, refining every 4 miles after, to give personalised range predictions and a ride tuned just for you.
Best portability ever
Moving folded has never been this easy. Thanks to our unique engineering, your Brompton stays locked together as you roll. Lift the seatpost for Shopper Mode. Drop the seatpost for Suitcase Mode. Push. Pull. Steer. Glide. That’s SuperRoll. Add the Roller Rack and you unlock SuperRoll+. It shifts the centre of gravity, so your bike feels lighter. Four wheels on the base mean even faster, smoother, more stable rolling.
Key Details
Even lighter, even smoother. The iconic design engineered with a titanium rear frame and best-in-class components. Powered by the all-new e-Motiq system.
Brompton e-Motiq system
The smart new electric system, engineered by Brompton for Brompton. First seen and proven on G Line, and now available on C, P and T Line.
New battery, even more range
With the 345 Wh e-Motiq Battery, you can travel up to 56 miles in one go. And when it comes to charging, remove with one quick click and plug in anywhere.
The best electric experience. Always.
Smart over-the-air updates mean your Brompton Electric system benefits from automatic upgrades and continuous performance improvements. You always have the latest, without lifting a finger.
The power at your fingertips
Change your power mode, use Start Assist, get dynamic range estimation and more with the all-new e-Motiq Handlebar Control.
Choose your speed
With four gears and three power modes, you have everything you need for uphill, flats and epic adventures, all at a pace that suits you.
A natural ride feel
The smart e-Motiq torque sensor knows how much you’re pedalling and gives just the right amount of boost — making every ride feel smooth and natural, especially uphill.
Specifications:
Weight: From 39.5 lb
Speed: 4-speed
Material: Steel
Folded Size: 23″ x 22.2″ x 10.6″
Main Frame: Precision drawn heat-treated steel tubing with hand brazing and selected auto-brazed joints
Rear Frame: Brompton Steel Rear Frame
Fork: Steel
Grips: Ergonomic Grips
Seatpost: Extended, Black (35″)
Saddle: Standard
Seatclamp: Composite seat clamp and rear frame clip
Hinge Clamps: Standard Plastic
Handlebar Control: New Brompton Handlebar Control Screen
Battery Cable: Internal routing
Battery: 345Wh Greenway – Up to 56 miles range with 5-hour full charge
Pedals: Brompton Folding left hand and non-folding right-hand pedals
Drivetrain: Brompton 4-speed drivetrain, 163% range
Chainset: 6061 forged aluminium crank with 54T chainring and integrated chainguard
Bottom Bracket: Square Taper
Headset: Brompton headset
Shifters: Brompton 4-speed derailleur shifter
Sprockets: 11-18 Tooth
Derailleur: Brompton Chain pusher
Rear Wheel: Brompton Rear Motor with 24Nm Torque and 250W Power
Front Wheel: Double-wall rim, 20 spokes laced to a Brompton front hub
Tires: 16″ Schwalbe Marathon Racer
Tubes: Schwalbe Schrader valve
Fenders: Included
Lighting: Lezyne e115 stVZO
Roller Wheels: 70mm Roller Wheels
Rack: Included – SuperRoll+
Brakes: Brompton Dual Pivot Calipers
Front Carrier: Front carrier block adaptor for all Brompton luggage types
On Bike Accessories: Zip Bag Small & Bell
Disclaimer: Specifications are subject to change without notice.
Model: Mark 2 (e-Motiq)
Sizing & Geometry:
Brompton Folding Bike Sizing
All Bromptons come with a standard frame size, with bike fit adjusted by seatpost length and handlebar rise (or stem length for G-Line models). Traditional Brompton handlebars are available in low, mid, and high options, allowing you to choose between a more aggressive or relaxed riding position.
Not Available in Low, ** Mid or High Bar variants only**


G-Line bikes are sized S, M, and L, with seatpost and stem lengths tailored to suit different rider heights. For more details on finding the right fit, see the size tables below.
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WARNING: This product contains chemicals known to the State of California to cause cancer reproductive harm
The products in this store may expose you to chemicals such as Nickel which are known in the state of California to cause cancer, and Bisphenol A (BPA) which is known to the state of California to cause birth defects or other reproductive harm.
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