Bafang max drive clutch/ Bafang M400 finger freewheel for replacement; If your M400 MAX Drive is not smooth when pedaling, then consider the pawl clutch is defective.

This pawl clutch is also suitable for AEG MM G350 motor.

How to replace the Bafang Max drive M400 G330 pawl clutch, please check the video below:

Bafang M400 reduction gear for replacement; the Bafang max drive steel cover is included.

The item includes motor gasket, reduction gear and gear cover/motor casing as shown in the picture.

For how to replace the reduction gear cover, please refer to the following vedio.

Bafang max drive  M400 G330 motor controller(UART protocol) for replacement. If your motor is with CAN protocol, this controller will not fit. Please double check before ordering.

The Bafang M400 controllers has several parameters, 36V 250W, 36V 350W, 43V 350W or 48V 350W controllers, please check your own motor before placing the order.

If you want a headlight for your bike, you can add a pair Bafang MAX M400 G330 headlight/rearlight cable and a LED headlgiht with the controller.

Note: if your original motor is with coaster brake, this controller may not fit.

Bafang has two protocols for the max drive mid motor, UART or CAN protocol. How to identify? UART protocol controllers no need calibration; CAN protocol controllers may needs calibration. 

If the display connector is with triangle connector, then it is with CAN protocol. The back of the display may also mark “CAN” .

The controllers we are selling is with UART protocol and it will not fit for CAN protocol motor. please double check before ordering. 

If your original controller is 48V 13A, then you can choose 48V 13A controller for replacement. Bafang has upgraded to 13A controller for the 48V motor.

How to replace the Bafang Max drive M400 G330 controller, please check the video below:

Bafang Ultra G510 M620 speed sensor;

Bafang M400 MAX drive G330 motor speed sensor;

Bafang Modest drive M300 G360 speed sensor.

Bafang M420 speed sensor.

Important: There are two types speed sensors, you can identify them by the connector, 4 pins connector is for CAN motors, and 3 pins connectors is for UART motors, please check your original speed sensor's connector before ordering. You can also check our pictures on the website for the connectors.