SpeedBox 1.0 for Bafang M300, M400 (3-pin connector)
SpeedBox 1.0 for Bafang M300, M400 (3-pin connector)
SpeedBox 1.0 Bafang is designed for e-bikes equipped with Bafang motors. This tuning kit removes the speed limiter, allowing motor assist up to speeds of 50 km/h.
This product is discontinued. It is not eligible for exchange or return.
Key Features
- Doubles the speed limit from the original 25 km/h up to 50 km/h.
- Precise display shows real speed up to 23 km/h, as well as trip and ride data.
Specifications:
- Maximum speed: 50 km/h
- Display shows: accurate values up to 23 km/h
- Activation/Deactivation: by pressing the LIGHT button
- Compatible motors:
- Bafang Max Drive M300
- Bafang Max Drive M400
- For speed sensors with 3 wires
- Not compatible with: SpeedBox App
Warning:
Please note that using modified e-bikes like this on public roads may be illegal. The manufacturer and retailer are not responsible for any damages resulting from the use of SpeedBox products. E-bikes equipped with SpeedBox products must not be used on public roads, bike paths, or in public places. Such bikes are intended exclusively for use on private property and entirely at your own risk. Using SpeedBox may void your bike’s warranty. We strongly recommend using additional safety features and protective gear to prevent injury.
We do not recommend updating your bike’s software, as updates may affect the operation of the device.
Please note that opened electrical products (including Speedbox, Speedfun, and Peartune products) are not eligible for the 14-day return or exchange policy. Non-functioning Speedbox, Speedfun, and Peartune products that are covered under warranty will always be sent to the manufacturer for servicing. Read the warranty terms here.