Promotion QS 138 3000W 70H Mid Drive Motor V1 and V2 Sprocket Type Motor In Stock
For 138 3000W mid drive motor , it could be used for electric light motorcycle, which could be 72V 100KPH.
What’s more, we provide chain gear adapters as default.
P.S. If you have any confused about the shipping cost, please feel free to contact with us.
Also could place order but don't pay first, then we could adjust the price.
NOTE: Orange phase line is our new packaging, new and old packaging random delivery, if specified please contact customer service!
NOTE:
1.Orders do not include customs duties, which are borne by the buyer.(Except for some aliexpress marked orders including tax).
2.For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support. (special countries list contact seller)
US Warehouse ! QS 138 3000W 70H Mid Drive Motor V1 Sprocket Type Motor In Stock
One set including below kits
Combo1.
1. 1pcs X 138 3000W V1 Mid Drive Motor with sprocket design
2. 1pcs 428 11T/14T sprocket(14T as default)
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
Product Description OF V1
Drawing OF V1
Refer to the 138 3000W V1 mid drive motor with belt design

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-resisant,and more compatible
The contrast of 6-4 and 6-5 is like below
Conversion Kits
Application
Inventory Last Updated: Aug 31, 2025