Instructions for using SpeedBox 3.0 for Bosch - YouTube
SpeedBox Tuning Chips for e-bikes
SpeedBox 3.0 B.Tuning for BOSCH - E-Bike Chip Tuning Module
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