badassBox 4 for SHIMANO X-SET EBIKE MOTION X35 ensuring more reliable performance and

ensuring more reliable performance and longer-lasting tuning freedom

The SpeedFun Ribelle Specialized Turbo Levo SL

•    Invisible tuning

can be activated and deactivated at will and maintains the setting even after the ebike is turned off

Tuning is compatible with the SpeedBox App

badassBox 4 for SHIMANO X-SET EBIKE MOTION X35 ensuring more reliable performance andNOTE: 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