Brompton Electric C Line Explore – 12 Speed




12 speed gears
12 speed
The lowest gear ever. ​The highest gear ever.​ And lots of small steps between, making this an even more comfortable ride for touring, exploring, commuting and beyond.​
Brompton electric back wheel
Front and rear mudguards
Mudguards with a rubberised flap provide better protection from the elements.
Brompton saddle
Brompton saddle
Brompton standard saddle with black rails 147mm width.
Brompton electric front wheel
250w hub motor
The compact 250-W hub motor does the hard work for you.
Brompton electric pedal
Smart pedal assist
Hop on and choose from three levels of Smart Pedal Assist.
Brompton front light
Dynamo lighting
40 Lux Busch & Muller AVY LED front and rear lamp powered by the main battery.

Superlight, compact 12 gear system built for the city

At Brompton, we don’t believe that more always means more. That’s why we offer you a choice of gears. For flatter cities, short rides and even infrequent use, less and simpler is often better. But other times, you might want – or need – more. That’s where our all-new 12-speed comes in. Just like our bike, Brompton’s 12-speed gear system is unique. We’ve expertly engineered a solution that gives you more gears and more range while still fitting into our compact solution to life on two wheels.
Electric C Line Explore – 12 Speed

The Electric C Line Explore – 12 Speed from Brompton is the ultimate bike perfect for adventurous individuals. Giving you the freedom to explore new horizons, expert engineering lets you experience complete mindfulness with nothing but the breeze on your skin to occupy your mind.

The original folding bike, loved by hundreds of thousands, with the added oomph and ease of electric. It’s a real-life magic carpet ride. There when you need it, tucked away when you don’t.

We’ve been unlocking cities around the world,underground and overground, since 1975 – connecting people and places with our famous folding bikes. And for a bike that’s given so much, would it be fair to ask for more? Well, why not? Because we could all use a little help, whether it’s work or play. Here’s the bike you’ve been waiting for.

Hills? Errands? Weekend adventures? With our Smart Pedal Assist, you can go further, faster and even higher. The compact motor does the hard work for you. And when it’s time to go again, rest easy knowing the lightweight battery quickly detaches from its secure mount, so you can take it with you and charge wherever is convenient. With the most compact folding e-bike, you can do it all.

12 Speed
From 17.3 kg

From 17.3 kg


12 Speed (Explore)



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


Reinforced Electric specific steel brazed fork


Lock-on grips with soft-compound rubber adhered to an engineered core






Composite seat clamp and rear frame clip in matt black finish

Hinge Clamps

Composite hinge clamp levers


Brompton Folding left hand and non-folding right-hand pedals


4 inline sprockets, 402% range.

Number of gears

12 Speed – Explore


6061 forged aluminium crank with 50T chainring and integrated chainguard

Bottom Bracket

Integrated sealed bearing BB with cadence and torque sensor


Brompton headset


Brompton 4 speed derailleur shifter & 3 speed hub gear shifter


4 inline sprockets, no hub gear.


Patent-pending direct mount 4 speed derailleur

Rear Wheel

Single wall rim, 28 spoke, 4 speed freehub body and hex key axle

Front Wheel

Single wall rim, 250W Brushless DC motor providing assistance up to 25 kmp/h


349 x 35C Schwalbe Marathon Racer. A puncture resistant tyre with a reflective sidewall


Schrader valve




AVY Integrated Lights

Roller Frame

Not included


Brompton Dual Pivot Calipers


300Wh 36V with LED display. Range 20-45 miles . 5V 1.5A USB port to charge portable devices. 4-hour full charge using included 2A charger


20-45 miles


Essentials bag with 1.5L storage Optional: 20L City bag available separately


Brompton Electric iOS and Android apps available for download

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