4000W 138 Mid Drive Motor
4000W 138 mid drive motor kit assembly could be used for electric scooter, electric motorcycle.
It could be 72V 100KPH, we provide chain gear adapters as default.
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
QSMOTOR 4000W 138 Mid Drive Motor
Spline Shaft Design for Sprocket Type
Sprocket Installation Guide
Dimension Drawing of Belt Type