Folding eBike Conversion Kit

With the Swytch Kit, you can turn the bike you love electric at a fraction of the cost of an eBike.

  • Smaller & lighter than any other kit
  • Easy to install and fits 99% of bikes
  • Maximum road-legal speed
  • Multiple range options, up to 30km


Stock drop coming soon

What is a Swytch Kit?

Product overview

Turn the bike you love electric with ease and at a fraction of the cost of an eBike with our electric bike conversion kit.

Each kit fits straight out the box as we build the motor wheel to perfectly match your bike. If you need a hand fitting, simply book a free video support call with our friendly technical team.

If you already have a bike but you want to try going electric, the Swytch Kit is the best way to turn your bicycle electric at home.

Secure the Power Pack to your luggage mount so you can just focus on enjoying the ride

Available for any wheel size, including 26”, 28”, 700C, Brompton 16”, and more.

Choose from the pocket sized AIR (15km 98Wh) or the tablet sized MAX (30km 180Wh)

How does it work?

Basic specs

36V Lithium-ion battery

Built with high-capacity cells to deliver the power you need, time after time.

250W geared hub motor

High-torque motor wheel with no drag so you can cruise freely with the Power Pack on or off.

Sine-Wave Control

Our bespoke sine-wave system uses cutting-edge motor control and efficiency to give you a smooth and quiet ride.

Two range options

Choose from our pocket-sized AIR Power Pack for 15km range, or the larger MAX to get 30km on the road.

Will it fit my bike?

Yes, you can convert your bike!

The Swytch Kit can convert almost every bike,
with 13 wheel sizes to pick from. If you don’t
see your wheel size you can select our hub-only kit.


Check the side wall of one of your bikes tyres to find the numbers below and match them to our options.

Wheel size legend
Tyre Marking Examples
Swytch Wheel Wheel size ETRTO French English
622 28" / 700C/ 29er 32-622, 38-622, 40-622 700x32C,700x35C,700x38C,700x40C 29x22,28x1.75,28x1-5/8,
584 27.5" 50-584 650x28B 27.5x1.95
630 27" 50-622, 38-622, 40-622 27x1-1/8, 27x1
590 26" 37-590, 40-590, 32-590 650x37A, 650x32A 26x1-3/8
559 26" 47-559 26x1.75, 26x1-3/4
507 24" 50-507 24x2.00, 24x1-3/4
457 22" 37-457 22x2.40
451 20" 37-451 20x1-3/8
406 20" 40-406, 47-406 20-1.50, 20-x1-3/4
355 18" 47-355 18x1.75, 18x2
349 16" 37-349 16x1-3/8
Hub only Any Any

For full details on how to check your tyre size please visit our



Made in the UK
Ranging from 16 inches to 29 inches












Press coverage

October 2022
"Swytch is about as effective a performer and as good value as you can get....there are no real downsides and a lot of pluses."
October 2022
"Weighing in at just 1.5 pounds...Swytch Kit makes it easy to convert any bike into an eBike."
Sept 2022
"New, lighter version of the Swytch battery and mount make this already great e-bike conversion kit even better"
Sept 2022
"The bottom line is that once converted, it's just a really good eBike. I've ridden a lot of eBikes at this point and the Swytch kit is my favourite."
July 2022
"I was already a big fan of the small format battery, but the company has now taken its handlebar-mounted Power Packs to the next level with a totally new battery design"
April 2022
"Swytch Technology’s Handlebar-Bag Battery Reduced To iPhone-Size To Convert Any Bike Into Electric Bike"
August 2022
"Swytch’s new conversion kit includes a 700g, smartphone-sized battery that will electrify any bike"

Want to make the Swytch?

Join our waitlist to get notified when our next stock drop is live

Your range options

Our Power Packs explained

  • 700g

  • 25mm x 100mm x 212mm

  • Airplane-friendly

  • 1100g

  • 35.5mm x 100mm x 228mm

What’s in the box?

What’s included in the box?

In the box, you’ll get everything you need to turn your bike electric. A Power Pack, bespoke motor wheel, mount, pedal sensor, charger, leads and manual.

Power Pack

The Power Pack contains the battery which provides power for your ride


The high-quality leads connect each component together

Mount & bracket

The mount holds the Power Pack and attaches to your bike with the versatile mount


Detects as you pedal and sends a signal to the control system, triggering pedal assistance.


Tops up your Power Pack in as a little as an hour, to get you back on the ride in no time

Motor wheel

Made to perfectly fit your bike, and provides 40nm of torque to boost your ride

Mount & bracket
Mount & bracket
Power Pack
Motor wheel

How do I fit it?

How it works

Not technically minded? You’re in luck - we built the Swytch Kit with you in mind!


How do I fit it?

Installs in 4 simple steps

Not bike savy? Don’t worry, we have plenty of resources and a friendly technical team ready to answer any questions.

Join the ride

5 stars

A great eBike kit

This was the lightest and cheapest way I could keep my bike that I love but also get an eBike...I couldn't recommend highly enough!

Cliff, UK
5 stars

Love my Swytch Brompton!

Fitted to my Brompton with no modifications and works like a dream - absolutely love the simplicity of it all!

Mark, UK
5 stars

Got me back on my bike!

This is an awesome product. I added the kit to my old commuter works so well!

Christopher W, US
5 stars

Excellent customer service

Excellent customer service, really keen to solve my problem, prompt email replies and even offering a zoom call with a technician.

Paul, UK
5 stars

Installed without a hitch

Easy installation and exceeds advertised expectations.

William, US

What is the Swytch Kit?

Turn your bike into an eBike at home

Electrify the bike you love with ease - watch our video to learn more.

Join the ride

Fits in your pocket

Slip it into your pocket or lob it in your bag between rides, plus carry extra Packs with you to ride even further.

Power on demand

Choose when you want assistance with our simple-to-use Power Pack.

Weighs just 700g

The smallest and lightest eBike battery in the world - a truly revolutionary product.