SpeedBox 1.3 B.Tuning for Bafang (4 pin connector) - Package: BAG, Qty: 20 pcs + 3 free

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$ 6020
In Stock

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Speed limiter: up to 50 km/h
Activation: by pressing the LIGHT button/ SpeedBox App
Display shows:
   real values up to 23 km/ h
   then the actual values are only displayed in the SpeedBox App
Compatible with motors :
   Bafang Max Drive M300
   Bafang Max Drive M400
   Bafang Max Drive M420
   UART/ CAN protocol


Product code: SB13BT_BAF_20+3pcs_BAG Shipping and Payment

Basic tuning kit for e-bikes with Bafang motors.

Compatible with UART and CAN protocol motors.

SpeedBox 1.3 enables you to double the speed limit of an e-bike from the original 25 km/h to 50 km/h. When in use, the actual speed will appear on your display up to 23 km/h. The display also shows your trip and other aspects of your ride.

How does SpeedBox 1.3 work?

SpeedBox 1.3 tuning kit can be activated on the e-bike’s control unit. After pressing the LIGHT button, the active lights icon will be displayed shortly after which you will be able to ride at a speed of 50 km/h.  The chip is deactivated by pressing the LIGHT button again.

By attaching the Light cable for Bafang, you can use the SpeedBox and your lights at the same time.

SpeedBox App for SpeedBox 1.3 B.Tuning

SpeedBox App is an application specially designed for SpeedBox 1.3 B.Tuning, which uses Bluetooth technology to connect your e-bike to your mobile application. After downloading the application and connecting your mobile phone to your e-bike you will see current data and trip parameters displayed on your phone. Individual trips can be stored so that the results can be compared with friends and together they can monitor their performance. So just enjoy the ride and leave checking the parameters for later!

SpeedBox App features:

  • Tuning control
  • Speed limit settings
  • Saving and viewing your trips
  • Motor diagnostics

SpeedBox 1.3 B.Tuning is not limited to working with SpeedBox App. However, it is a great tool that will provide you with a complete overview of your performances.

Download SpeedBox App to your phone just before ordering the SpeedBox 1.3 B.Tuning chip. You can try out our demo version and get to know all the awesome features and, at the same time, make sure that the application is fully functional on your phone. To connect to the SpeedBox B.Tuning chip, your phone needs to be equipped with Bluetooth 4.0 or higher.

Get it on Google Play
Get it on App Store


When connecting the SpeedBox chip to an e-bike you will find connectors colored to make installation very simple. We have prepared detailed instructions and videos to make installation easy for you in the comfort of your home. Disassembly of our tuning chip is just as easy. If you have any troubles with the installation or disassembly, do not hesitate to contact us.

If you are planning to install SpeedBox on a brand-new bike, make sure you ride it for at least 1 km before the chip is activated.

Detailed installation information can be found here: text


Please note that the operation of this type of modified electric bikes on public roads may be against the law in some countries. The manufacturer takes no responsibility for damages resulting from the use SpeedBox products. Electric bikes equipped with SpeedBox products are not allowed to be used on public roads, cycling paths and public places. Electric bikes equipped with SpeedBox products can be used exclusively on private property and entirely at one’s own risk. The use of SpeedBox may void the warranty of your ebike.

We strongly recommend using other safety features and protective gear to prevent injuries.

In case of updating the software of your e-bike, uninstall SpeedBox from the e-bike first, update the software and reinstall SpeedBox.

Number of Speed Sensor pins 4 pin connector
Bluetooth/ SpeedBox App YES