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
SPEEDBOX 3.0 for Bosch eBikes Review - YouTube
Speedbox 3 for Bosch Gen4
SpeedBox 2.0 for Bosch 2014 - 2018 Motors – Two Wheels Empire