The friction style electric bike motor kit usually fit very easily to any bicycle. You don't have to replace a wheel or to mess around with the bicycle's belts or chain in order to install this kind of kit.
The installation process is fast. There are friction drive kits that can be installed in only 15 minutes.
If you want to:
then a friction style kit may be ideal for you.
This kit's motor can be mounted on either the front or the back wheel of the bicycle.
Friction kits have disadvantages but they maybe the answer for applications where the hub-drive or mid-drive conversions kit are not suitable.
To read about the pros and cons of the friction wheel drive, click here.