Tuning of E-bikes with a Bafang motor

How to choose the right SpeedBox for your e-bike with a Bafang motor?

STEP 1: Communication Protocol / Display Connector
Unplug the display connector and check if your e-bike uses UART or CAN communication.
Click on the correct option.

SpeedBox Model	Compatible Motor	Communication Protocol	Speed Sensor Connector	Max. Speed	Real Speed
SpeedBox 1.2	M300, M400	UART	3 Pins	50 km/ h
SpeedBox 1.2 B.Tuning	M300, M400	UART	3 Pins	50 km/ h	(In app only)
SpeedBox 1.3	M300, M400, M420	UART	4 Pins	50 km/ h
SpeedBox 1.3 B.Tuning	M300, M400, M420	UART	4 Pins	50 km/ h	(In app only)
SpeedBox 3.0 B.Tuning	M300, M400	CAN	3 Pins	Unlimited
SpeedBox 3.0	M300, M400	CAN	3 Pins	Unlimited
SpeedBox 3.1 B.Tuning	M300, M400, M420	CAN	4 Pins	Unlimited
SpeedBox 3.1	M300, M400, M420	CAN	4 Pins	Unlimited
SpeedBox 3.2 B.Tuning	M200, M410, M500, M510	CAN	8 Pins	Unlimited
SpeedBox 3.2	M200, M410, M500, M510	CAN	8 Pins	Unlimited