Features1This product is small direct current brush motor. 2Made of aluminum, good performance, stable, long service time. 3With metal belt pulley, fine workmanship, sturdy and durable. 4Motor 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, 16 tooth sprocket. 5Suitable for electric scooters, electric bicycles, etc.SpecificationItem type: Brush MotorModelr: 6812Material: aluminum alloyWeight: Approx. 1132gColor: As picture shownVoltage: DC24VOutput power: 100WBox length: Approx. 3-15/16 "(100mm)Box diameter: Approx. 2-11/16 "(68mm)Drive shaft length: Approx. 1-1/8 "(28 mm)Drive shaft diameter: Approx. 5/16 "(8 mm)Installation hole distance:Approx. 1-9/16 "(40mm)No-load speed: 3500 rpm/ minLoading speed: 2400-2700 rpm/ minMaximum current: 8.9 AAxial diameter: Approx. 8mm/0.3in(one side milling groove: Approx. 1mm/0.04in)Package List1 x Motor