Uw Bosch fiets opvoeren wij hebben de speedbox E-Bike 2 - Power-Bike Ombouwset elektrische fiets
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