NEW STOCK ON THE WAY
ESTIMATED DELIVERY 12 WEEKS
40% PRE-ORDER DISCOUNT
Last chance to Pre-Order
12 weeks delivery
Brompton Swytch eBike Conversion Kit
Convert ANY Brompton folding bike into a state-of-the-art eBike with 250W power, 15MPH top speed, and up to 50 miles range.
This is the only system in the world that is specially designed around the Brompton so that absolutely no modifications are required, and anyone can easily fit it. Choose Swytch for complete peace of mind.
Order now to get 40% off with delivery in 12 weeks
How it works / How to fit
Shipping in 12 weeks
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14 day return policy
Ask us anything!
Send us a photo of your Brompton!
Not all Bromptons are exactly the same, but the Swytch Brompton Kit works on all of them. If have any questions about converting your Brompton, why not send us a photo of it and we can easily answer any specific questions you have.
The Swytch Brompton eBike kit turns any Brompton Folding Bicycle into a premium folding-eBike with 250W power, up to 50 miles range, and less than 4kg added weight keeping your bike lightweight and fun to ride!
The only kit in the world that fits to Brompton without any modifications - simply fit it and GO!
Can be removed at any time, restoring the Brompton to its exact original condition
It is a simple and easy to use system - simply replace your front wheel with the Swytch Brompton motor wheel, connect the easy-fit power pack and pedal sensor, and you're good to go! It assists you as you ride with 250W extra motor power helping you climb hills and go further and faster.
- Customised specifically for Brompton
- Silent but powerful 250W hub motor wheel
- Lithium-Ion battery technology giving you power for up to 50 miles
- Instantly removable power pack weighing just 2.5kg
- Pedal assist or throttle modes (throttle available separately, for off road use only)
- Fast charging: Recharge fully in just 2-3 hours (25 mile version) or 4-5 hours (50 mile version).
Almost all USA stock of the Brompton Swytch eBike kit is now sold out due to popular demand.
New stock is on the way to our USA California fulfilment centre from our manufacturing centre in Shanghai, China. It is due to arrive in 12 weeks, so we are offering the opportunity to place a pre-order now and we will deliver your kit direct to your door as soon as the stock lands.
It's our mission to make electric bikes accessible and affordable for everyone, so we're offering the first customers to pre-order a whopping 40% off the RRP!
The discount offered is subject to availability, and we will have to reduce it as the stock gets closer to delivery:
- Pre order before 30 June to get 40% off
- Pre order after 30 June to get 30% off
Estimated delivery August
Front hub geared motor
74mm (specifically for Brompton)
Compatible with single speed, 3speed and 6speed Bromptons
Limited to 15MPH
3.9kg (25 mile kit) / 4.7kg (50 mile kit)
Compatible with Brompton rim brakes
28x 12g silver spokes
Silver, double walled from PowerRim
250W Brushless DC geared motor (30Nm torque)
25 mile kit:
36V 5Ah = 180Wh
Expected range 25 miles at 125W average power output. 10-15 miles at constant maximum power 250W.
50 mile kit
36V 10Ah = 360Wh
Expected range 50 miles at 125W average power output. 20-25 miles at constant maximum power 250W.
36V 6MOSFET Sine Wave 15A controller
Lithium Ion 18650 2600MAh cells 800-1,000 expected cycles before capacity reduction
2A 36V charger with USA plug 3-4 hour charge time (4-5 hours for 50 mile battery)
5V USB output for phone ch arging
Integrated front light, 200 lumens
Our latest reviews on Trust-Pilot:
How to Fit
Installation is simple and more-or-less anyone can do it! Once installed, the power pack can be instantly attached or removed.
The kit includes everything you need to convert your bike into an eBike, including the motor wheel, battery, controller and charger.
It really is compatible with any type of Brompton: including any number of gears, and any handlebar type.
How it works...
Power from your handlebars to the wheel
The Swytch Power Pack fits to your handlebars and sends power to a motor in your front wheel.
It is pedal-assist
the power comes in as you pedal thanks to an easy-fit sensor that detects when you're pedalling.
What's In The Box?
1) Motor wheel
2) Power Pack
3) Handlebar Mount
4) Pedal Sensor
7) Brompton Peg
The Swytch kit includes everything you need to convert your bike, unlike many other kits that require you to buy extra parts (such as the battery and charger) separately. So the price you see is the full price you need to pay, no hidden extras!
There are some optional extras you can order (see below) but these are not required to get the full Swytch experience of riding a state-of-the-art electric bike.
Motorbike style twist throttle that fits to your handlebars. Twist and go to get motor power on tap! Off-Road use only.
Lever style thumb throttle that fits to your handlebars. Twist and go to get motor power on tap! For Off-Road use only.
The Swytch Power Pack
Lithium-Ion Battery Technology
Silent sine-wave control
200 lumen front light
Advanced LCD display
Fits to ANY handlebars
See it in action:
The silent hub motor wheel
Front Wheel Drive
Quality wheel build
See it in action:
How To Fit
Just a couple of allen keys and a spanner, that's it!
Plug and Play
The full kit arrives pre-assembled and ready to go. The wheel is built to your wheel size, and the power pack is charged and ready to use.
1) Swap the wheel
Step 1 is to simply swap your regular wheel with the Swytch motor wheel. You'll need to swap the tyre over too don't forget!
2) Fit the handlebar mount
Next, just fit the handlebar mount to the handlebar and tighten it securely.
3) Fit the pedal sensor
Clip the magnet disc onto the pedal, and stick the sensor to the frame. The sensor detects when you're pedalling because the magnet disc moves past it. That way, when you pedal the motor can activate.
And you're off!
Just clip the power pack onto the bracket and you're ready to go!
Full installation video instructions:
What's my Wheel Size?
Most bicycle wheels are 26" or 28"/700C, so it's probably one of these.
If so - great news we offer these sizes as standard. If you have a different size you may need a custom build.
Read full FAQ for more info and how to check your wheel size
How much range will I get?
The quoted range is based on medium usage (using it power level 5/9), and with pedalling too.
The actual amount of range you'll get depends on many things, including how much you pedal!
Read full FAQ for more details
When will I receive my kit?
Currently we are accepting pre-orders with guaranteed delivery times because new stock is on the way.
You'll get regular updates as the kit gets closer to the email you registered when you order
What is the top speed?
The top speed of our regular kits is limited to 15Mph to comply with UK and EU laws.
The off-road high power kit can be de-restricted for up to 30MPH for off-road usage only.
Does the power pack lock in place?
We deliberately designed the power pack so that it can't be locked in place, as this might just encourage thieves to vandalize or break it to steal it.
Instead, it's super easy to pop off and take with you.
What hills can it climb?
The motor has 30Nm torque, which is a lot for a 250W kit
You can climb typically up to a 20% gradient without any sweat, but it depends on your size, weight and pedal power.