SpeedBox 1.2 for Bafang (3 pin connector) - Package: BOX, Qty: 1 pcs
PROPERTIES:
Maximum speed: 50 km/h
Display shows: real values up to 23 km/h
Activation/ Deactivation: by pressing the LIGHT button
Compatible with motors :
  Bafang Max Drive M300
  Bafang Max Drive M400
  UART/ CAN protocol
Not compatible with: SpeedBox Connect
Not compatible with:
Automatic gear shifting
More
Product code: SB12_BAF_1pcs_BOX Shipping and Payment
Key features
SpeedBox 1.2 is a basic tuning kit for e-bikes with Bafang motors with a 3 pin connector, compatible with motors using the UART and CAN protocol. It doubles the speed limit from the original 25 km/h to 50 km/h. You can check the number of pins in your connector on the image in the Printed manual section below. The display shows the actual speed up to 23 km/h, as well as your trip and other ride data.
Tuning control
Switching from the 25 km/h limit to 50 km/h and back with the LIGHT button
Speed on the display
The display shows the actual speed up to 23 km/h, as well as trip and other ride data
Easy installation
Thanks to clear instructions including a video, anyone can handle the installation
Compatibility
Bafang motors: UART and CAN protocol motors (3 pin connector — see the image in the Printed manual section below)
Technical specifications
| Maximum speed | 50 km/h |
|---|---|
| Display shows | Actual speed (up to 23 km/h), trip and other ride data |
| Activation | LIGHT button |
| Minimum ride distance before installation | 10 km (new bike) |
Installation
Installing the device is easy and intuitive. Choose the option that suits you best – a video guide, a printed manual, or a detailed step-by-step picture guide.
Video guide
Detailed installation and tuning activation procedure for e-bikes with Bafang motors
Printed manual
Inside the product package you will find a printed manual including a wiring diagram for connecting the chip to the motor. The last image shows the 3 pin connector, so you can check your motor before buying
Step by step
The illustrated guide will walk you through the installation step by step — from removing the motor cover to the test ride. Each step is accompanied by photos and clear explanations.
User Manual →Tuning control
You activate the tuning directly on the e-bike's control unit. After pressing the LIGHT button, the active lights icon will briefly appear on the display and from that moment on you can ride at a speed of up to 50 km/h.
You deactivate the tuning by pressing the LIGHT button again.
By attaching the Light cable for Bafang, you can use SpeedBox and your lights at the same time.
Warning
- Rules for using derestricted e-bikes vary by country, so check local legislation before riding.
- SpeedBox is intended for off-road use only and you use it at your own risk.
- The manufacturer is not liable for damage caused by illegal or improper use.
- Installation may also void your e-bike warranty.
- For your safety, use appropriate protective gear and ride with maximum caution.
| Number of Speed Sensor pins | |
|---|---|
| Bluetooth/ SpeedBox Connect | NO |







