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QS Motor 5000W 273 45H V2 E-Motorcycle Spoke Hub Motor

Price:US $459.00/piece
Production Period:12~13 working days

Electric hub motor for motorcycle 5000W 273 40H V2 high torque hub motor  

1. Generally SPEC

  • Motor Type: BLDC Permanent Magnet Outer Rotor In-Wheel Hub Motor With Hall Sensor
  • Brand: QS Motor,QSMOTOR
  • Motor Design: Double axle without rim (not integrated), 36 spoke holes, OD 4.2mm 
  • Matching Rim size: 24inch, 26inch E-Bike Wheel, 17inch, 18inch, 19inch moped wheel.
  • Magnet Height: 45mm, 28 pole pairs
  • Stator: Aluminmum Core
  • Rated Power: 5000W 
  • Rated Voltage: 72V as default (48V-96V, optional)
  • Speed: 80KPH as default (24-120KPH, optional) 
  • kV: 9.03/10.6/11.07/17.38 etc.
  • Max Torque: approx 182N.m
  • Max Efficiency: 86-91%
  • Continuous Battery Current: 70A (72V)
  • Peak Battery Current: 120A (72V)
  • Suggest Peak Phase Current: 280-500A (depend on the kV)
  • Thermic Probe: KTY83/122 (as default, optional)
  • Working Temperature: 70-120℃ , peak 150 ℃ 
  • Brake type: Bike Disc brake, PCD3*80mm(as default)
  • Drop-outs/Rear Fork Width for installation: 200m
  • 14mm axle flats
  • Dual Hall Set with waterproof connectors
  • 14mm⊃2; Cross Section of Phase Wire (not include insulation layer)
  • Hall Sensor Phasing angle: 120 degree
  • Waterproof Grade: IP54
  • Color: Black (as default), White/Luminous (extra $5.0)
  • N.W./G.W.: 19.2kg/21.0kg  
  • Package Dimension: 43cm*43cm*41cm/piece



PS. Temp Sensor Options: KTY84/130, KTY83/122, 10K@25C NTC(model MF58-103F3950).


2. QS Motor Notice Before Order (Producing time/Warranty/Package/Certification etc.)

Pls. click below hyperlink of picture.


3. CAD Drawing

 QS 273 200 dropout spoke motorcycle hub motor

Brake: PCD3*80mm for e-motorcycle disc    

Drop-outs: 200mm 

Spoke Hole: 4.2mm hole suit 8G/9G/10G spoke



4. Test Report

Here is one test teport of our 273 5000w V2 hub motor, 72v 963rpm.

If you want to check other test report with different kV value, pls. contact with our sales freely.

  14 273 72V5000W 963rpm


5. Questions before order



6. More 273 e-spoke hub motor Models and price list

Optional Appearance, drawing, performance curve/test report are available, please refer to below hyperlink. 

For more information, please feel free to contact with us.

273 spoke 200mm motor

PS.1). Above quotation base on 273 electric spoke hub motor, 48V~144V, drop-outs 200mm.

      2). Above configuration is suggested for mass production,

for EV enthusiast, V2 & V3 motor could be over-voltaged to gain more speed/performance (customizable).

      3). The default Disc is moped standard, PCD3*80mm.


7. 273 E-Spoke Hub Motor Bicycle Application

It's QS electric In-Wheel Bicycle Spoke Hub Motor for Conversion Kits, which power range from 3000w to 8000w rated, drop-outs 200mm with motorcycle disc brake.

Especially suit for electric bicycle, max. speed for 60km/h to 120km/h.

273 Spoke motor



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