specialized 3.1 speed unlock kit and tcu/mastermind tcu control unit. EB388 Speedbox 3.1 for Specialized compatible with all Specialized electric motors (including SL) and TCU/MasterMind TCU control units. - Compatibility: All Specialized electric motors (including SL) Speedbox 3.1 for Specialized compatible with all Specialized electric motors (including SL) and TCU/MasterMind TCU control units. - Compatibility: All Specialized electric motors (including SL) All products sold by Ridewill are NEW and have a guarantee unless otherwise specified of: 24 months for Private individuals (Tax receipt) for defects in compliance with the law. 12 months for companies (Accompanying invoice with VAT number) in accordance with the law All products sold by Ridewill are NEW and have warranty unl.
