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

Sold Out - New 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.

*Note in US and ROW price excludes any state taxes and duty.

Secure the Power Pack to your luggage mount with our BroBlock, 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 90Wh) 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 feed

April 2023
"The Swytch offers a way to try out the e-bike concept on a bike you already own, without jumping through a lot of hoops"
March 2023
"...a five-year-old British company claims that its kit can turn any bike into a state-of-the-art electric bike...1 in 14 new ebikes in the UK are now powered by its Kits."
Feb 2023
"I’m here to tell you about the Swytch bike and why I think it beats the competition, hands down."
Feb 2023
"Remarkably both simple to install and surprisingly powerful"
Feb 2023
"Remember the old ads where the guy liked his electric razor so much he bought the company? Well, I didn't quite buy the company but I liked trialling an e-bike so much I'm getting one of my own now"
Dec 2022
"Swytch Bike sells a DIY e-bike conversion kit complete with motorized wheel and battery pack. The startup can barely keep them in stock."
Dec 2022
"All in all, you can get going in under an hour. It’s well priced, especially compared to a new electric bike, and if you already own a good bike it means you don’t have to find the storage space for a second bike just for commuting."
Dec 2022
"When looking into other ebike conversion kits, remember that none offer the same quality and customer support Swytch does"
Nov 2022
"Swytch Bike is at its second evolution of their electric bike conversion kit. It is the solution to switch from a traditional bike to an electric, cheap and ecological version. It is difficult to do better."
October 2022
"I think this might be one of the coolest bits of tech I've reviewed all year. The concept of converting a standard bicycle into an ebike is nothing new, but British firm Swytch has taken the concept and pretty much turned it into a work of art."
Oct 2022
"If you have a bike you love but you want the boost of a motor to help you on your way, DIY e-bike kits might help."
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"

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, you’ll get everything you need to turn your bike electric. A Power Pack, mount and bracket, charger, bespoke motor wheel, base display, pedal sensor, and a manual.

Power Pack

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

Base Display

The base display allows you to control the Kit’s power and access the settings

Mount & bracket

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

Pedal Sensor

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
Base Display
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

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.

Technical details


Batter capacity


Batter capacity





2A/3A (fast charging)





Waterproof rating


Waterproof rating


Dimensions (mm)

W212 x L100 x H25

Dimensions (mm)

W228 x L100 x H36


Total added weight

Swytch AIR Kit: 2.2kg Swytch MAX Kit: 2.6kg

Top speed

32kph/20mph Restricted to 25kph/15.5mph in some regions

Motor Wheel

Drive type

Front hub geared motor



Gear compatibility

All gear types, including derailleur and hub gears


Universal Kit: Rim or disc-brake compatible (mount disc on hub motor) Folding Kit: Rim brakes only


Universal Kit 36 x 12g silver spokes Folding Kit: 28 x 12g spokes


Silver or black double-walled from PowerRim