Motor138 QSJ138J-90 Liquid Cooled 138 V3 4000W 90H Mid Drive Motor with Gearbox and Better Temperature Resistance

  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: +86 18758618893  

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

 Key Features 

1) Light weight and small dimension compare to hub motor 

2) High performance benefit from flux weakening

3) High efficiency during climbing, and better acceleration  

4) Support regenerative braking

5) Water Cooler, which would have better temp resistance.

 Product Description 

1. Genearlly Spec:

2. Dimension Drawing:

3. Test Report:

 Accessories 

QSMOTOR QSJ138J-90 Conversion Kits 

Application for QSJ138J-90 Liquid Cooled Mid Drive Motor