250w Brushless Upgrade Kit - To fit Revvi 12" and 16" electric balance bikes
This kit includes:
- 250w brushless motor
- Motor mounting bracket,
- Control unit rated to the motor,
- 2 x Front sprockets 13T and 15T.
- 2 x Chains for the 13T and 15T sprockets.
- 47T Rear freewheel sprocket.
- 3 Speed switch to match the control unit, the bike will have a Slow, Medium and Fast speed setting.
The parts are a direct fit to the Revvi 12" and 16" bike - Please select bike size.
The kit increases the acceleration and torque of the bike.
Please note / Warnings:
- If your bike is already 250W then this will not improve the performance of your bike. This is an upgrade for 12"/16" bikes with 100w or 170w motors. Check the chassis plate on the bottom of your bike for the motor size.
- Special tools will be required to remove the freewheel from your wheel to change the sprocket! You can remove it using a vice and punch or a freewheel removal tool.
- This kit should be fitted by a qualified mechanic/technician,
- This will make the bike significantly faster with a lot more acceleration. Please make sure the riders ability matches the performance upgrade before use.
Revvi Cup Note: This upgrade kit is not legal for use in the 12" Open class at Revvi cup events. For the Revvi cup events the 170w upgrade kit is allowed!






























