Features 1、This product is small DC brush motor. 2、Made of high quality aluminium material, good performance, stable, long service time. 3、With metal belt pulley, fine workmanship, sturdy and durable. 4、Motor length is 100mm, diameter is 68mm, shaft length is 28mm, shaft diameter is 8mm, 2 fixed hole spacing of motor is 36mm, sprocket is 25H type, 9 tooth sprocket. 5、Suitable for electric scooters, electric bicycles, etc. Specification Item type: DC Brush Motor Model: ZY6812 Material: aluminium Color: black Weight: Approx. 1368g Rated power: 150W (kW) Rated voltage: 12 (V) Rated speed: 3500 (rpm) Main scope of application: electric scooter, electric bike 3C rated voltage range: below DC 36V Rated current: <8.5A Rated speed (rpm): 2500 ± 5% Maximum speed (rpm): 3500 ± 5% No-load current: <0.9A Rated torque: 0.56 torque Transmission: belt pulley, metal Axial diameter: Approx. 8mm/0.3in(one side milling groove: Approx. 1mm/0.04in) Efficiency: > 68% Motor length: Approx.100 mm/ 3.9 inches Motor diameter: Approx. 68 mm/ 2.7 in Axial diameter: Approx. 8 mm/ 0.3 in Motor fixed hole distance: Approx. 36mm/ 1.4in Sprocket: 25H 9 teeth sprocket Package List 1 x Motor