QS Motor 4000W 138 90H mid drive motor with EM72200P sin wave controller kits for Motorcycle 72V

For 138 4000W mid drive motor kit assembly, it could be used for electric light motorcycle, which could be 72V 100KPH.

e.g. Dirt bike

E-motorcycle weight, approx 130kg+2*80kg

Speed: Continuous 100KPH

Gear Ratio: 1:4

Climbing slope: 30°@208KGS

Battery: 72V52ah

Tire: 0.6138m, model: 130/70-17

One set including below kits

Combo 1:

1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with sprocket

2. 1pcs X Votol EM200P sine wave motor controller with standard CAN-BUS(Optional)

3. 1pcs X DKD LCD speedometer

4. 1pcs X Z6 throttle with combination switch

Combo 2:

1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with belt

2. 1pcs X Votol EM200P sine wave motor controller with standard CAN-BUS(Optional)

3. 1pcs X DKD LCD speedometer

4. 1pcs X Z6 throttle with combination switch

Combo 3:

1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with belt

2. 1pcs X Votol EM200P sine wave motor controller with standard CAN-BUS(Optional)

Combo 4:

1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with sprocket

2. 1pcs X Votol EM200P sine wave motor controller with standard CAN-BUS(Optional)

Combo 5:

1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with sprocket

Combo 6:

1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with belt

Key Features

1) Light weight and small dimension compare to hub motor 

2) High performance benefit from flux weakening

3) High effeciency during climbing, and better acceleration  

4) Support regenerative braking

Product description

Genearlly Spec of QS 4kW mid drive motor:

Dimension Drawing:

• QS 4kW 138 mid drive motor

Test report

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.

2. Votol EM200P motor controller with optional standards CANBUS

3. DKD LCD speedometer, can-bus(optional)

It display D N R, P, S gear, and battery current X5/10

P.s.: If the working battery doesn't have can-bus communication, then the can-bus speedometer will shows lack of electricicy always.

So, we suggest to do the speedometer as Line communication version if client can't get can-bus battery.

4. Z6 throttle with combination switch

With Reverse, Parking button( throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.

It match with VOTOL controller well.

Application for QS 4kW mid drive motor