NBPower 72V 5000W QS205 Moto Kit (18")

NBPower 72V 5000W electric-motorcycle conversion kit built around a genuine QS Motor QS205 50H V3 hub motor pre-laced into a 18" moped rim (150mm dropout). Includes a Fardriver ND72450 FOC sine-wave controller (190A, IP67, regen, field-weakening), a SIAECOSYS DKD LCD display, a full-twist throttle, and a single-speed flywheel. 48–72V, ~100 km/h on the 3.5T winding. A higher-torque 5T winding and a wiring-rich \"combo 2\" (adds mainline harness, ignition switch, and a 12V DC converter) are also offered on the listing.