Most Powerful Kit 7500W(4000W) QS138 90H 120-140KMPH IPM Mid Drive Motor Kits Power train for Electric Dirt bike ATV Go Kart.

For QS138 90H motor power train kits, it could be used for electric motorcycle, which could be 72V 110KPH.

e.g. Dirt bike

4000W Mid Drive Motor (Sprocket Wheel or Pulley)
Motor Brand: QS Motor, QSMOTOR, Customized Brand.
Motor Type: DC Brushless Permanent Magnet Motor
Motor Design: Mid Drive with Single Axle
Magnet: strong V magnet 90H.
Power: 4000W (maximum 14KW, sometimes can reach 20KW).
Rated Voltage: 72V
Rotating: maximum 7000rpm
Maximum Speed: 90km/h to 120km/h.
Maximum Torque: 60N.m to 80N.m.
Maxim Efficiency: 91%
Waterproof Grade: IP54
Color: Black

Com1: Belt ND72530 built-in Bluetooth version

1. 1pc * QS138 90H 7500W(4KW) Mid drive motor with belt shaft

2. 1pc * ND72530 green color controller

3. 1pc * DKD speed meter

4. 1pc * Z6 throttle

Com2: Sprocket ND72530 built-in Bluetooth version

1. 1pc * QS138 90H 7500W(4KW) Mid drive motor with sprocket shaft

2. 1pc * ND72530 green controller

3. 1pc * DKD speed meter

4. 1pc * Z6 throttle

Com3: Belt ND72680 built-in Bluetooth version

1. 1pc * QS138 90H 7500W(4KW) Mid drive motor with belt shaft

2. 1pc * ND72680 blue controller

3. 1pc * DKD speed meter

4. 1pc * Z6 throttle

5. 1pc * motorcycle main cable wiring

Com4: Sprocket ND72680 built-in Bluetooth version 

1. 1pc * QS138 90H 7500W(4KW) Mid drive motor with sprocket shaft

2. 1pc * ND72680 blue color controller

3. 1pc * DKD speedometer

4. 1pc * Z6 throttle

5. 1pc * motorcycle main cable wiring

Com5: Only motor

1.1pc * QS138 90H 7500W(4KW) Mid drive motor with sprocket shaft

Com6: Only motor and controller

1. 1pc * QS138 90H 7500W(4KW) Mid drive motor with sprocket shaft

2. 1pc * ND72530 built-in Bluetooth Fardriver controller

If you want to match the EM200 controller, please contact us.

Shipping and Feedback:

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2.Shipping time:Standard shipping from Greater China to Worldwide;Handing time:7 business days.

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6.If you have any problems with our goods, please contact us first!!! We will do our best service to help you.

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