badassBox FAZUA X-SET MTB CLOTHING This advanced manufacturing process ensures

This advanced manufacturing process ensures the rack maintains performance and finish over time — even with frequent use

NOT COMPATIBLE WITH MOTORS: Brose S Mag FIT

•    Automatic calibration

To ensure system stability and avoid tampering codes

Unlock the speed limit of your electric bike with a tuning dongle kit

badassBox FAZUA X-SET MTB CLOTHING This advanced manufacturing process ensuresNOTE: The BadassBox enables motor assistance up to approximately 3537 km h but does not maintain accurate speed data on the onboard display. As a result, riders must rely on external GPS devices (e. g., bike computers or smartphones) to obtain correct speed readings. In contrast, the EPAspeed BOX supports assisted speeds of up to 50 km h while preserving full accuracy of the factory speedometer offering the most advanced contactless tuning solution