THE SpeedBox 3.1 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). Unlike Bluetooth versions, this classic version does not require a mobile application and offers activation/deactivation via the bike controls.
Highlights
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Removal of support limit : Eliminates the 25 km/h restriction.
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Activation/deactivation via bike : Using the bike's existing buttons to control the module.
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Displaying actual data : Current speed, maximum speed, average speed, mileage and range displayed correctly.
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Simple installation : Original connectors for plug & play installation without modifications.
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No app required : Works independently of a mobile application.
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 |
Via the bike buttons (e.g. LIGHT button or key sequence) |
| 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 |
