4000W 273 V3 Spoke Motor

4000W 273 V3 Spoke Motor

273 spoke hub motor, the dropout is 152mm, could be used for electric bike, high power electric bicycle.
273 motor means the diameter of iron ring of rotor is 273mm

Key Features

1) Simplify to make an electric-scooter. Gearbox, transmission shaft, clutch is no need. Which save space.
2) It could be installed in the rear to save more space for battery.
3) Support regenerative braking.
4) High efficiency: 85~92%

Product Information

QSMOTOR 4000W 273 V3 Electric Bike Spoke Hub Motor

Specification

• Motor Type: BLDC Outer Rotor In-Wheel Hub Motor with Hall Sensor
• Brand: QS Motor, QSMOTOR
• Motor Design: Double axle without moped rim (integrated), 36 spoke holes, OD 4.2mm
• Matching Rim Size: 24inch, 26inch E-Bike Wheel, 17inch, 18inch, 19inch moped wheel
• Magnet Height: 50mm, 16 pole pairs
• Stator: Aluminum Core
• Rated Power: 4000W
• Speed: 24KPH-120KPH, it’s customized, genearlly we will design as 72V90KPH (KV12.5 as default)
• Work Voltage range: 48V-96V, will be 72V as default
• Max Torque approx. 266.0N.m
• KV: 12.5/15.6/17.9 (optional)
• Thermic Probe: KTY83-122 (as default, optional)
• Max Efficiency approx. 84%
• Working Temperature: 70-120℃, peak 150 ℃
• Brake type: Disc brake (as default), PCD6x44mm for bicycle
• Drop-outs/Rear fork Width for installation: 150mm
• Dual Halls with waterproof connectors
• 14mm metric thread length for single/3-speed freewheel
• 10mm axle flats
• 16mm² Cross Section of Phase Wire (not including insulation layer)
• Waterproof Grade: IP54
• Color: Black (as default)
• N.W/ G.W: 17.5kg/18.5k

Dimension Drawing