QS138 3000W QSD138A-70 Motor V1 Mid Drive Motor  

It can be designed as belt driven(Default)and sprocket design(Optional).

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

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

  Sales Contact: damon@siaecosys.com  

  Skype: Damon Wong(QSMOTOR)  

  We Chat/What’s App: +86 18758618893 

 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:

P.S.: For 3kW 138 new mid drive motor, it can be designed as belt driven.(As default)

2. Dimension Drawing:

Refer to the QS 138 3000W V1 mid drive motor with belt design

3. Test Report:

Note for sprocket design motor

We will gradually switch spline shaft size from 6-4 to 6-5.

Because 6-5 is more wear-resistant, and more compatible

The contrast of 6-4 and 6-5 is like below:

 Conversion Kits for QSD138A-70

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

For Alixpress online purchasing link, kindly click the following picture.