SPEEDBOX 3.0 for Bosch / eBike Tuning, also for Bosch engines of the 4th Generation / Smart tuning chip of the 3rd Generation incl. 1 crank puller : Amazon.co.uk: Sports & Outdoors
Change chainring Bosch Active Performance ebike tuning - YouTube
Tuning the Bosch Performance CX drive system? | tuningblog.eu
Amazon slammed for selling products that 'chip' or 'tune' e-bike motors to allow higher speeds | electric bike reviews, buying advice and news - ebiketips