utf8 QS Motor 273 E-bike Hub Motor 12000W 40H V3 with 19inch moped wheel rim 100KPH for Electric Bicycle

QS Motor 273 E-bike Hub Motor 12000W 40H V3 with 19inch moped wheel rim 100KPH for Electric Bicycle

Price:US $612.99/piece
Production Period:12~13 working days

QS Motor 273 E-bike Hub Motor 12000W 40H V3 with 19inch moped wheel rim 100KPH 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


If you have interested in this product, you can contact with our sales directly.


Sales Email: Damon@siaecosys.com

Skype: Damon Wong(QSMOTOR)


We Chat:+86 18758618893


Aliexpress online purchasing link for this motor(You can click pic for hyperlink): 

One set including below kits


1. 1pcs X QSMOTOR V3TI(Or V3I) 3000W electric wheel hub motor 

2. 1pcs X 19*1.6inch or 19*1.85inch moped rear wheel rim(Only silver color is available)


Key Features


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%


Product description


1. Electric motor Genearlly Spec:


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(only silver spokes available)

Matching Rim Size: 17inch, 18inch, 19inch moped wheel rim

Magnet Height: 50mm, 16 pole pairs

Stator: Aluminum Core

Rated Power: 4000W, peak 12000W

Speed: 24KPH-120KPH, it's customized, genearlly we will design as 72V100KPH.

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), 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)


Lacing drawing :

For the order after 15th September, the wheel will change to the below type without milling slot: 


Motor drawing :


Please noted:

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.

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 4000w rated, drop-outs 152mm with bicycle disc brake.

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


EV Your Life!
Other QS Motor Products
Customer Service