BMP Bicycle Motor Kit

BMP Combo Drive bicycle engine kit from bikemotorparts.com. This is our latest kit, a friction drive system that can be converted into a chain driv...

This is the newest kit from BikeMotorParts. This video shows how to change the drive roller.

Motorized Bicycle Engine Kit - Test Ride with Honda GX35 engine and 220lb rider

Bicycle engine kit test ride using Honda GX35 engine. The drive roller is 1.25" in diameter and has a one-way locking bearing that results in extra...

Friction drive motorized bicycle engine kit. Installation and test ride.