QS Motor 273 Bicycle Hub Motor 4000W V3 110KPH For Electric Bicycle
For this 273 spoke hub motor, the dropout is 152mm, it could be used for electric bike, high power electric bicycle.
273 motor means the diameter of iron ring of rotor is 273mm.
You can click below picture for Aliexpress purchasing link
1). Simplify to make a electric-scooter. Gearbox, transmission shaft, clutch are 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%
QS Motor 273 3000W-4000W E-Bike Spoke Hub Motor List
PS.1). Above quotation base on 273 electric bike hub motor, 48V~96V.
2). Above configuration is suggested for mass production,
for EV enthusiast, V2 & V3 motor could be over-voltaged to gain more speed/performance (customizable).
It has V4 version, $35.0/pcs than V3 version.
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: 17inch, 18inch, 19inch moped wheel rim
Magnet Height: 50mm, 16 pole pairs
Stator: Aluminum Core
Rated Power: 4000W, peak 8000W
Speed: 24KPH-120KPH, it's customized, genearlly we will design as 72V90KPH.
Work Voltage range: 48V-96V, will be 72V as default.
Max Torque approx 266.0N.m
Thermic Probe: KTY83-122 (as default, optional)
Max Efficiency approx 84%
Working Temperature: 70-120℃ , peak 150 ℃
Brake type: Disc brake (as default), PCD6*44mm for bicycle
Drop-outs/Rear fork Width for installation: 150mm
Dual Halls with waterproof connectors(One for using, one for spare)
14mm english 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/18.5kg
Optional appearance, drawing, performance curve/test report are available.
If you need more technical information, please feel free to contact us.
We will give you reply in 12hours.
Conversion Kits for 273 4kW E-Bike spoke hub motor
We're able to supply Controller, display, dc-dc converter, disc brake system, twist throttle...etc.
Application for QS E-Bike hub motor