We specialize in Bafang mid-drive service and repair, including BBS01, BBS02, HD, and Ultra systems. Our service covers full diagnostics, internal gear and clutch repairs, controller and wiring issues, firmware troubleshooting, and performance tuning. Whether your motor is noisy, losing power, or showing error codes, we provide precise, reliable repairs to restore smooth, powerful operation and extend the life of your Bafang drive system.