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High Power Swytch eBike Conversion Kit


Convert ANY regular bike into a high power eBike with 500W power, up to 30MPH top speed, and up to 50 miles range.

This upgraded Swytch system includes a high torque rear motor (in black) that is compatible with standard derailleur gears, with up to 10 speed gear cassettes. 

Order now to get 33% off with free delivery to the UK and EU guaranteed in 5 weeks or less.


The  Swytch Power eBike kit turns any regular Bicycle into a premium folding-eBike with 500W power, up to 50 miles range, and less than 6kg added weight keeping your bike lightweight as well as extremely powerful for off-road hill riding.

For off-road use only

It is a simple and easy to use system - simply replace your rear wheel with the Swytch Power motor wheel, connect the easy-fit power pack and pedal sensor, and you're good to go! It assists you as you ride with 500W extra motor power helping you climb hills and go further and faster.

Key Features

  • Silent but powerful 500W rear hub motor wheel
  • Lithium-Ion battery technology giving you power for up to 50 miles
  • Instantly removable power pack weighing just 3.5kg
  • 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 stock of the Swytch eBike kit is now sold out due to popular demand.

New stock is on the way to our UK/EU fulfilment centre from our manufacturing centre in Shanghai, China. It is due to arrive in 4-5 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 33% 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 15 June to get 33% off
  • Pre order after 15 June to get 25% off

Estimated delivery 25 June - 5 July 2019

Mechanical Specs

Drive Type

Rear hub geared motor

Dropout Width

135mm rear dropout spacing (standard, fits most bikes)

Gear compatibility

 Dereailluer gears only, up to 10 speeds



Top Speed

Limited to 15MPH
(can be de-limited to approx 18MPH)

Added weight

 5.5kg (50 mile kit)


Compatible with Rim or Disc brakes


36x 12g black spokes


Black double walled from PowerRim


Electrical Specs

Motor specs

250W Brushless DC geared motor (30Nm torque)

Battery Capacity

50 mile kit

36V 10Ah = 360Wh

Expected range 50 miles at 125W average power output. 20-25 miles at constant maximum power 250W.


36V 9MOSFET Sine Wave 22A controller

Battery Tech

Lithium Ion 18650 LG Branded 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)

USB output

5V USB output for phone ch arging

Front Light

Integrated front light, 200 lumens

Our latest reviews on Trust-Pilot:


Read more reviews


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.

What's included

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.

Ask us anything!

Send us a photo of your Bike

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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) Rear Hub Motor wheel

2) Power Pack

3) Handlebar Mount

4) Pedal Sensor

5) Charger

6) Instructions

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.

Optional Add-Ons

Twist Throttle

Motorbike style twist throttle that fits to your handlebars. Twist and go to get motor power on tap! Off-Road use only.

Thumb Throttle

Lever style thumb throttle that fits to your handlebars. Twist and go to get motor power on tap! For Off-Road use only.

Inline Brake Sensors

Extra safety for bikes with regular cabled brakes - feed the brake cable through for instant motor cut-off when you brake.

Hydraulic Brake Sensors

Extra safety for bikes with hydraulic brakes - sticks to your brake levers to detect when they are pulled.

Torque Arm

Extra safety for bikes with carbon forks, or for use with a high power motor to hold motor tightly in place.

Our Technology

The Swytch Power Pack


Lithium-Ion Battery Technology

Silent sine-wave control

200 lumen front light



Instantly removable

Advanced LCD display

Fits to ANY handlebars

See it in action:

The silent hub motor wheel


Zero Drag

High Torque

Lightweight (1.5kg)


Front Wheel Drive

Easy Installation

Quality wheel build

How To Fit

Tools Required:

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.

Still got question? Ask away!

Whatever the question, we're here to help, drop us a line!

Chat with us

Find our Orange chat widget in the bottom left

Email Us

Leave us a message and we will get back to you

Whatsapp Us

Need to send us a photo of your bike? You can use whatsapp