NBPower 72V 5000W QS205 Moto Kit (21")
NBPowerRear Hub Kit
NBPower 72V 5000W electric-motorcycle conversion kit built around a genuine QS Motor QS205 50H V3 hub motor pre-laced into a 21" 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.
Hub MotorNo Battery213000W48–72V
Where to Find
Prices tracked across 1 sellerIncluded Components
Fardriver ND72450
Controller72V190AFOC
SIAECOSYS DKD LCD
DisplaySiAECOSYS ONE-LIN, SiAECOSYS CAN BUS
![Generic Full Twist Throttle [3-pin Julet]](https://cdn.wattworks.bike/products/a8365e57-64fe-48ee-9b24-a8379b5e41e6/1772529107526_48.webp){kind=small}
Generic Full Twist Throttle [3-pin Julet]
ThrottleTwist
Goodyear Performance Tuning Torque Arm Set for QS Motor Hubs (M16)
Torque ArmPairM16Either
Generic
Cassette1-Speed
QS Motor QS205 50H V3 (21")
Hub Motor3000W48–96V21Rear
Frequently Asked Questions
Other Kits
Generic 48V 2000W No Battery Waterproof Rear Hub Kit 26"From $321.30
Bafang BBS02B 750W Mid-Drive Kit w/ 48V 16Ah BatteryFrom $603.51
NBPower 72V 3000W Fat Conversion Kit (20×4")
Bafang G090 750W Hub Kit 26" w/ 13Ah w/ B02N-UFrom $393.89Generic 48V 2000W w/ 20Ah Waterproof Rear Hub Kit 27.5"From $557.49Bafang G090 750W Hub Kit 26" No Battery w/ DZ40From $249.46