Motor Parameter:

Motor Type: PMSM Motor With Hall Sensor

Rated Power: 4000W (7500W peak in few seconds)

Rated Voltage: 72V

Speed(RPM): 4000

With Flux weakening(RPM):6500

Motor design: single axle

Magnet Height: 90mm, 5 pole pairs

Rated Torque: 14.3N.m

Max Torque: 72N.m

Max Efficiency: approx 94%

Continuous Battery Current: 89A (72V)

Peak Battery Current: 200A (72V)

Working Temperature: 70-120℃ , peak 150 ℃

Single Hall Set with waterproof connector

Waterproof Grade: IP67

Cooling method: liquid cooling

Phase wire: 20mm²

Color: Black

N.W./G.W.: approx 17kg

Package 1:

1 x Liquid Cooling QS138 4KW mid-drive motor

1 x ND72450 Fardriver controller

1 x Main line

2 x Free liquid cooling pipes Connectors

Package 2:

1 x Liquid Cooling QS138 4KW mid-drive motor

2 x Free liquid cooling pipes Connectors

Shipping and Feedback:

1. Please check your name, address, and phone number is right.

2.This Mid drive motor will be shipped from China by SpeedPAK Standard shipping, it takes about 7-10 business days .

3. After you place a order, we will ship out your goods as soon as possible, please check the tracking timely.

4. If you can't find the tracking, please let us know, we will provide a positive feedback to you.

5.We will be appreciated of that you leave us a 5 star feedback if you are satisfied with our goods.

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

7.Any questions, don't hesitate to contact us.