138 Motor Liquid Cooled QSD138D-90 7500W max continuous 72V 110KPH Mid drive Motor with Better temperature resistance

For 138 4000W liquid cooled mid drive motor, it could be used for electric light motorcycle, which could be 72V 110KPH.
What’s more, we provide chain gear adapters as default.

  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) 

It’s available for belt design or sprocket adapter design.

 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:

QSD138D-90 motor conversion kits