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
E Bike Tuning for Bosch Gen2, Gen3 and Gen4 E Bikes
Performance Line: the sporty Bosch motor for eBikes - Bosch eBike Systems