The most important accessory of an electric bicycle is the motor. The motor of an electric bicycle basically determines the performance and grade of the vehicle. Most of the motors used in electric bicycles are high-efficiency rare earth permanent magnet motors, which are mainly divided into three types: high-speed brush tooth+wheel reduction motor, low-speed brush motor and low-speed brushless motor.

Electric bicycle refers to a vehicle that uses battery as auxiliary energy and is equipped with motor, controller, battery, handle and other control parts and display instrument system on the basis of ordinary bicycle.