Central drive unit Bafang M420

Bafang has been one of the largest manufacturers of electric bike components in the world for over 10 years. In Europe, its electric motors have become the de-facto standard. However, in the last five years it has focused heavily on the production of central motors . In 2014, Bafang introduced an integrated central drive with the codename MAX, which later evolved into the name MaxDrive. MaxDrive has found its use in many types of 250W/36V e-bikes. Bafang also manufactures the hub (front and rear) motors, this makes it a long-term leader in the world market.


Motor Bafang M420 Central drive unit Bafang M420


Drive unit Central
Rated power 250 W
Max. torque 80 N.m
Voltage 36/43/48 (DCV)
Efficiency ≥ 80%
Pedaling sensor Torque
Max. support Speed 25 km/h
Weight 3,6 kg
Operating temperature -20 - 45 ℃
Noise level < 55 dB



Motor Bafang M420

Bafang M400 central motor - formerly also known as the Max Drive has been thoroughly redesigned and is now available in stores as the M420. It offers a power of 250W and a torque of 80Nm. Motor Bafang M420 is equipped with a torque sensor, which allows the control unit to determine how much juice it should feed to the motor based on how hard is the rider pedaling. It differs from its predecessor in the axis of the fixation. The software remains the same. The Motor also supports gear sensor.



E-bikes with Bafang M420 motor