Speedbox 3.1 B Tuning Specialized speed increasing device

Unlock the full potential of your Specialized e-bike with the SpeedBox 3.1 B.Tuning chip! This third-generation device removes the speed limit, letting you ride up to an exhilarating 50 km/h. Featuring Bluetooth, it connects to the dedicated SpeedBox App on your smartphone for ultimate control. Monitor ride data, adjust the speed limit, lock your motor, and even use a hidden tuning mode. Compatible with SL motors and TCU/MasterMind units, installation is simple with original connectors. Activate and deactivate tuning easily on the fly. Experience your e-bike without limits