QSMOTOR 1000W 90 Mid Drive Motor 72V 50KPH 10inch Aluminum Assemble Kits with VOTOL EM50SP Controller for Electric Scooter

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Product Overview


QSMOTOR 1000W 90 Mid Drive Motor 72V 50KPH 10inch Aluminum Assemble Kits with VOTOL EM50SP Controller for Electric Scooter

For 90 1000W mid drive motor kit assembly, it could be used for electric scooter, electric motorcycle.

It could be 72V 50KPH, avaiable for 10inch wheel kits as default

Key Features


1). Simplify to make a electric-motorcycle. 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%

The kits include as below:

  1. 1pcs QS 1000W Mid Drive Motor with Left/Right fork


  3. 1pcs Rear synchronous belt wheel

  4. 2pcs Decoration cover

  5. 1pcs Rear axle with screws

  6. 2pcs Adapter

  7. 1pcs Synchronous belt

  8. 1pcs 10inch Aluminmun wheel

  9. 1pcs Fender

  10. 1pcs Belt shield

  11. 1pcs Belt side shield

Product description


Genearlly Spec:


  1. Item: QS Motor 1000W 90 70H Mid Drive Motor

  2. Motor Type:BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor

  3. Brand: QS Motor, QSMOTOR

  4. Motor Design: Single axle

  5. Matched Wheel: 10inch Wheel (as default)

  6. Magnet Height: 80mm,5pole pairs

  7. Diameter of stator: 120mm

  8. Rated Power: 1000W

  9. Rated Voltage: 60V or 72V(as default)

  10. Speed: 60V@45KPH; 72V@55KPH

  11. Max Torque: approx 25.2N.m without Reduction ratio, approx 134.0N.m with 1:5.3 Reduction ratio

  12. Reduction ratio: 1:5.3 (as default)

  13. Max Efficiency: 90.5%

  14. Thermic Probe:None as default (KTY83/122 is available, if you need, please let sales man know).

  15. Working Temperature: Pending

  16. Single Hall Plate with waterproof connectors

  17. 6mm² Cross Section of Phase Wire (not include insulation layer)

  18. Hall Sensor Phasing angle: 120 degree

  19. Waterproof Grade: IP54

  20. Color: Black

  21. N.W./G.W.: 7.8kgs/9.1kgs

  22. Package Dimension: 34cm*34cm*33cm


Dimension Drawing:


  • QS 1kW 90 mid drive motor(old appearance)

  • QS 1kW 90 mid drive motor assemble kits(Old appearance)


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.

Controller Description:


  • Item: EM50SP sine wave controller

  • Net weight: 955g

  • Rated current: 60A

  • Boost current: 190

  • Max. Power: 4320W

  • Flux Weaking Ratio: 100~250%

  • Max. Efficiency: 88~93%

  • Degree of protection: IP67

Vehicle Wiring suitable for EM50sp-EM150sp controller

Wiring Diagram


Conversion kits for QS 2kW mid dirve hub motor


We're able to supply Controller, display, dc-dc converter, disc brake system, twist throttle, matched tire...etc.

Application for E-Motorcycle mid drive motor





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