QS 90 1000W 72V 55KPH assembly kits with EM50SP controller for electric scooter

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

It could be 72V 55KPH, available for 10inch wheel kits.

QS can provide customized 428 14teeth sprocket to match with 1kW mid drive motor.

NOTE:
1.Orders do not include customs duties, which are borne by the buyer.(Except for some aliexpress marked orders including tax).
2.For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support. (special countries list contact seller) 

The assembly kits include as below:

Combo 1

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

• 1pcs EM50SP Controller, 72V 190A, SINUSOIDAL WAVE BLDC MOTOR CONTROLER

• 1pcs Rear synchronous belt wheel

• 2pcs Decoration cover

• 1pcs Rear axle with screws

• 2pcs Adapter

• 1pcs Synchronous belt

• 1pcs 10inch Aluminmun wheel （no tire）

• 1pcs Fender

• 1pcs Belt shield

• 1pcs Belt side shield

Combo 2

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

• 1pcs EM50SP Controller, 72V 190A, SINUSOIDAL WAVE BLDC MOTOR CONTROLER

• 1pcs Rear synchronous belt wheel

• 2pcs Decoration cover

• 1pcs Rear axle with screws

• 2pcs Adapter

• 1pcs Synchronous belt

• 1pcs 10inch Aluminmun wheel （no tire）

• 1pcs Fender

• 1pcs Belt shield

• 1pcs Belt side shield

• 1pcs Vehicle Wiring suitable for EM50sp-EM150sp controller

Key Features

1) Light weight and small dimension compare to hub motor

2) High performance benefit from flux weakening

3) High efficiency during climbing, and better acceleration

4) Support regenerative braking

Product Description

QSMOTOR 90 1000W 80H Mid Drive Motor Specification

QS 90 1000W assembly kits Drawing：

1000w mid drive motor drawing:

Test Report：

2.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

3.Vehicle Wiring suitable for EM50sp-EM150sp controller

The ignition key cann't be pluged with the wiring harness directly due the difference of connectors, please contact the seller for the diagram and modification instruction.

Wiring Diagram

Conversion kits for QS 90 1000w mid drive motor:

Combo 1

QSMOTOR 1000W PMSM IPM mid drive motor with belt+EM50SP controller+DKD speedometer+Z6 throttle switch

Combo 2

QSMOTOR 1000W PMSM IPM mid drive motor with sprocket 428 14 teeth+EM50SP controller+DKD speedometer+Z6 throttle

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.

Application for 1kW mid drive motor