Motor Wheel
How it works
Available for any sized bike
The Swytch Kit can convert almost every bike, with 10 size options to pick from, covering all of the most common wheel sizes available.
Our MAX powerpack range can fit wheels of sizes: 16″, 20″, 26″, 27.5″ and 28″.
Our GO powerpack range can fit wheels of sizes: 26″, 27.5″ and 28″.
Common sizes included for bikes:
Mountain
26", 28", 29", 30"
Hybrid
26", 28", 29", 30"
Road
26", 28", 29", 30"
Folding
16"
Single Speed
20", 24", 26", 28", 29", 30"
Step-over
26", 27", 27.5", 29"
BEHIND THE SCENES
Made in the UK!
We custom-build each motor wheel at our wheel building facility in Norwich, UK. This allows us to offer a large variety of wheel sizes, custom made to order to match your bike.
Powerful 250W Motor
Enough power to push you up almost any hill, whilst still being road legal.
Disc Brake Compatible
Our motor wheels feature screw holes that allow you to easily attach your existing disc brake.
Folding Bike Compatible
We build the motor wheel to match your bike!
Rear Motor Wheel Option
Available for MAX+ Kits in select sizes with a thru-axle version.
Black or Silver Options
Upgrade to our black motor option! (AIR/MAX/MAX+ Kits Only)
Find your wheel size
Wheel sizes can be confusing. Whatever bike you have, our video explains how to quickly find the wheel size.
Ways to check
Using tyre markings
Using a ruler
Checking online
How to confirm that my bike has a...
28”
Measurement method 1 Size markings
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 28” wheel: 622, 700c, 28, 29er.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 27.5” wheel: 584, 27.5, 650.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 27” wheel: 630, 27, 650.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 26” wheel: 590, 26
Please note there are two 26″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 26” wheel: 599, 26
Please note there are two 26″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 24” wheel: 507, 24.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 22” wheel: 457, 22.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 20” wheel: 451, 20.
Please note there are two 20″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 20” wheel: 406, 20.
Please note there are two 20″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 18” wheel: 355, 18.
ETRTO
French
English
If your bike tyre has any of the following numbers on it (anywhere on the tyre), then it’s a 16” wheel: 349, 16.
ETRTO
French
English
Measurement method 2 Ruler
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 711.2mm then it is a 28” wheel.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 698.5mm then it is a 27.5” wheel.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 685.8mm then it is a 27” wheel.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 660.4mm then it is a 26” wheel.
Please note there are two 26″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 660.4mm then it is a 26” wheel.
Please note there are two 26″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 660.4mm then it is a 24” wheel.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 558.8mm then it is a 22” wheel.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 508mm then it is a 20” wheel.
Please note there are two 20″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 508mm then it is a 20” wheel.
Please note there are two 20″ wheels, both with different ETRTO numbers, please check you have the correct ETRTO in this case.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 508mm then it is a 18” wheel.
Measure the diameter of the wheel from edge to edge of the metal rim. If the measurement is 508mm then it is a 16” wheel.
Frequently Asked Questions
Got a question?
What motor wheel options are available for GO?
28″/700C/29er, 27.5″, and 26″ sizes are available.
Which tyres are not compatible?
The Swytch motor wheel is designed to accommodate tire widths ranging from 1.1 to 2.5 inches (28 to 64 mm) only, which excludes fat tyres and very narrow road tires. Please purchase a tyre that is compatible for the Swytch motor wheel.
Is there any drag from the motor wheel?
The Swytch Kit features an advanced brushless geared motor with virtually zero drag when the power is off. This means that if you remove the power pack or turn it off, the bike operates just like a regular, non-electric bike, providing a smooth and efficient ride with virtually zero added resistance.
How will I pick my wheel size?
We have detailed articles available to help you determine the correct wheel size for your bike on our help centre. You can also visit our page HERE to see how to work out your wheel size if you do not already know this.
What is the motor power output of the Swytch Kit?
Our motor wheel has a rated power of 250W and a maximum torque of 40 Nm.
Can I use the Swytch Kit on a bike with disc brakes?
The Swytch Kit is 100% compatible with disc brakes, including both hydraulic and cable systems. All standard Swytch motors feature 6 screws on the outer part, allowing you to securely fit your existing disc brake to the motor.
