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QS MOTOR QS138 3000W 70H V3 5500W Continuous 72V 100KPH Mid Drive Motor with Gearbox for Electric Motorcycle
QS MOTOR QS138 3000W 70H V3 5500W Continuous 72V 100KPH Mid Drive Motor with Gearbox for Electric Motorcycle
For QS138 70H V3 mid drive motor with 1:2.35 gear box, it could be used for electric motorcycle, electric ATV 72V 100-105KPH with high torque. Compare with QS138 V1 and V2 motor, it's integrated with 1:2.35 gear box, which save space for double step transmission, with more torque.
e.g. Electric Motorcycle
E-motorcycle weight, approx 128kg+2*80kg
Speed: 100-105km/h @ 208kg
Gear ratio: 1:2.35*3 (1:2.35 integrated for 138 V3 motor, double steps transmission )
Climbing slope: 31° @ 50kph @208kg
Battery: 72V52Ah
Tire: 0.6138 130/70-17
One set including below kits
1.1pc X QS 138 3kW V3 mid drive motor with 1: 2.35 gearbox
2.1pc X 15T 428 sprocket adapter
Key Features
1) Light weight and small dimension compare to hub motor
2) High performance benefit from flux weakening
3) High effeciency during climbing, and better acceleration
Pls note that there are some modify of QS138 3kW V3 motor:
Product Description
1.QSMOTOR 138 3000W V3 mid drive motor with 15T 428 sprocket adapter
Drawing of motor
