NBPower 72V 5000W Genuine QS205 Fat Kit Sabvoton (20×4")

NBPower 72V 5000W electric fat/snow-bike conversion kit built around a genuine QS Motor QS205 50H V3 hub motor (16 pole pairs, ~181 N·m, 10kW peak) pre-laced into a 20×4" fat rim (170mm dropout, 3.5T winding). Includes a 72V 100A Sabvoton SVMC72100 programmable FOC controller (APT, Bluetooth), a UKC1+ color display, a full-twist throttle with ignition, an 8-magnet PAS sensor, Wuxing brake levers, an M16 torque arm, and a single-speed freewheel. 48–72V, US-stocked. Batteryless conversion kit.