THE SpeedBox 3.1 B.Tuning is a third generation unlocking module designed for electric bikes equipped with motors Bafang Max Drive M300, M400 Or M420 with 4 pin connector. It allows the assistance limit to be removed at 25 km/h, thus providing assistance up to higher speeds (around 35 km/h). This Bluetooth version also allows you to control and customize the module's parameters via the application. SpeedBox App on your smartphone.
Highlights
-
Removal of support limit : Eliminates the 25 km/h restriction.
-
Flexible activation/deactivation : Activation via the WALK function, a specific key sequence or the SpeedBox App.
-
Displaying actual data : Current speed, maximum speed, average speed, mileage and range displayed correctly.
-
Simple installation : Original connectors for plug & play installation without modifications.
-
Control via SpeedBox App : Allows you to control and customize the module's parameters via Bluetooth.
Technical description
| Specification | Detail |
|---|---|
| Type of use | Tuning e-bike Bafang Max Drive M300 / M400 / M420 (private use recommended) |
| Engine compatibility | Bafang Max Drive M300/M400/M420 with 4 pin connector |
| Screen compatibility | Bafang displays compatible with the system |
| Activation/Deactivation | WALK function, key sequence ↑↓↑↓, or via SpeedBox App |
| Activation indication | Displays 99 km/h briefly |
| Deactivation indication | 25 km/h display briefly |
| Recommended max speed | Unlimited (≈ 35 km/h recommended) |
| Actual speed display | Yes |
| Correct distance | Yes, after the countdown at the end of the journey |
| Facility | Plug & play with original connectors |
| Practical notes | Do not activate/deactivate while driving; leave the bike powered on until 0.0 km/h before turning it off |
| Incompatibilities | Not compatible with standard sensor (non 4 pin), ABS systems |