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BDU3144 / BDU3145 (Gen4): Motor mounting: 2 diagonal bolts
It is not possible to install SpeedBox products for Shimano without a free E-Tube port in the engine
❌ Bosch ABS Equipped Bikes
5 & 29 inch wheels with tires from 1
Installation manuals and videos provide step by step detailed instructions and are easy to follow and understand
badassBox 4 for GIANT / YAMAHA X-SET 2020 ebike tuning BDU3144 / BDU3145 (Gen4): MotorNOTE: 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
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