Mid Drive Motor QSJ138C-50 QS138 Motor 2000W Mid Drive Motor 

For 138 50H 2000W mid drive motor , it could be used for electric light motorcycle, which could be 72V@70KPH.(Pulley doesn’t include)

 If you have interested in this product, you can contact with our sales directly.  

 Sales Contact: Damon@siaecosys.com  

 Skype: Damon Wong(QSMOTOR)  

 What’s App/We Chat: +86 18758618893  

Aliexpress online purchasing link for this motor:(Click the photo for hyperlink) 

 Key Features 

1). Simplify to make a electric-scooter. 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 

1. Genearlly Spec:

2. Dimension Drawing:

3. Test Report:

Test with ND72680 , DC Current 200A max , Phase Current 660A max

 Conversion Kits for the QSD138C-50 

We’re able to supply controller, display, dc-dc converter, disc brake system, twist throttle…etc.