THE SpeedBox 3.1 for Specialized is a release module designed for electric bikes equipped with motors Specialized Brose, including models SL, and TCU/MasterMind control units. It removes the assistance limit at 25 km/h, allowing assistance up to higher speeds while maintaining the correct display of speed and distance on the bike display.
The module works continuously once installed, without requiring manual activation. The version B.Tuning allows you to connect the module to the SpeedBox application to customize settings and track statistics.
Highlights
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Removal of assistance limit: Eliminates the 25 km/h restriction.
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Correct display of data: real speed, distance and autonomy.
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Automatic activation: works as soon as the bike is turned on.
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Plug & play installation: original connectors, simple installation without modification.
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B.Tuning version available: Bluetooth connection for adjustments and monitoring via SpeedBox App.
Technical description
| Specification |
Detail |
| Type of use |
Specialized Brose e-bike tuning (private use recommended) |
| Engine compatibility |
Specialized Brose (including SL), TCU/MasterMind TCU |
| Activation/Deactivation |
Automatic when the bike is turned on |
| Activation indication |
Display of 18 km/h briefly |
| Deactivation indication |
25 km/h display briefly |
| Recommended max speed |
Up to 50 km/h |
| Actual speed display |
Yes |
| Correct distance |
Yes |
| Facility |
Plug & play with original connectors |
| Bluetooth version (B.Tuning) |
Yes, connection to the SpeedBox application |
| Incompatibilities |
Not compatible with Specialized GEN 4 (3.1/S-Works), Brose S Mag FIT, ABS systems |
