THE SpeedBox 1.2 B.Tuning for Bafang (3 pin connector) is a release module intended for electric bicycles equipped with motors Bafang Max Drive M300 and M400 with 3 pin connector. It removes the assistance limit at 25 km/h, allowing smooth assistance up to 50 km/h.
The module is activated manually via the button LIGHT from the control console. When the SpeedBox is activated, the headlight symbol is displayed briefly; just press again to turn it off. Installation is simple with color-coded, solder-free connectors.
Highlights
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Manual activation : via the LIGHT button.
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Simple installation : color-coded connectors, Plug & Play.
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Compatibility : Bafang Max Drive M300 and M400 motors (3-pin connector).
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Correct display : real speed up to 23 km/h.
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Reliability : robust module, designed for intensive use.
Technical description
| Specification |
Detail |
| Type of use |
Bafang e-bike tuning (excluding legal road use) |
| Engine compatibility |
Bafang Max Drive M300, M400 with 3 pin connector |
| Activation |
Manual via LIGHT button |
| Max speed setting |
Up to 50 km/h |
| Display |
Actual speed up to 23 km/h, then fixed value |
| Facility |
Plug & Play with color-coded connectors |
| Recommendation |
Ride ~10 km before first activation on a new bike |
| Warnings |
Use on public roads may be illegal; may void warranty |