NBPower 72V 8000W QS273 Moto Kit (18")
NBPowerRear Hub Kit
NBPower 72V 8000W electric-motorcycle conversion kit built around a genuine QS Motor QS273 40H V3 hub motor — the largest spoke-laced QS hub (~250 N·m) — pre-laced into a 18" rim (150mm dropout). Includes a waterproof 72V 150A Sabvoton SVMC72150 programmable controller with regen, a UKRiver UKC1 (APT) color display, a full-twist throttle, brake levers, a torque arm, and a single-speed flywheel. 48–72V, up to ~130 km/h; 3.5T (high-speed) and 5T (high-torque) windings offered.
Hub MotorNo Battery18"4000W48–72V
Where to Find
Prices tracked across 1 sellerIncluded Components
Sabvoton SVMC72150
Controller72V150AFOC
UKRiver UKC1 (APT)
DisplayAPT (Sabvoton)
![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
Wuxing 115PDD Brake Lever Pair
Brake SwitchPairMechanical
Goodyear Performance Tuning Torque Arm Set for QS Motor Hubs (M18)
Torque ArmPairM18Either
Generic
Cassette1-Speed
QS Motor QS273 40H (18")
Hub Motor4000W48–96V18"Rear
Frequently Asked Questions
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