SpeedBox 2.0 E-Bike Pedelec Tuning Module for All Bosch Engines from 2014-2019 Active Performance CX including Crank Puller Tuning Chip Haibike | Motor Support up to 99 km/h: Amazon.de: Automotive
eBike-Tuning - dangerous and risky - Bosch eBike Systems - Bosch eBike Systems
eBike Tuning SpeedBox 3.0 for Bosch Installation Instruction - YouTube