QS MOTOR 3000W 138 70H sprocket design mid drive motor with EM150SP controller max speed 100kph

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) 

For 138 3000W mid drive motor kit assembly, it could be used for electric scooter, electric motorcycle.

It could be 72V 100KPH.

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%

Product description

Genearlly Spec:

Axle design to match with 428 sprocket, we will provide 428 14T sprocket as default.

P.S.: For 3kW 138 old mid drive motor, it can be designed as belt driven.

If you want to buy such mid drive motor, please kindly click below picture.

Dimension Drawing:

• QS 3kW 138 mid drive motor(old appearance V1, belt driven)

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.

Matched controller recommendation:

• Item: EM150SP sine wave controller

• Net weight: 2040g

• Rated current: 180A

• Boost current: 220A

• Peak current: 470A

• Max. Power: 12960W

• Flux Weaking Ratio: 100~250%

• Max. Efficiency: 88~93%

• Degree of protection: IP67

Vehicle Wiring suitable for EM50sp-EM150sp controller

Wiring Diagram

Application for 3kW 428 sprocket design mid drive motor