Voltage(V): 48VOutput Power:1000WCommutation: BrushlessSpeed(RPM): 4800rpmRated current:18-35AGear Ratio: 9.5:1 Torque: 2.62NmHigh Speed : 20mph / Medium Speed : 16mph / Low Speed: 10mph 40″ Differential Rear Axle Drive Shaft kit16 teeth Axle Length: 40 inch Comes with pair axlesPackage Include:2x Rear differential Axles assembly1x 1000w 48v brushless motor1x 48v brushless motor1x rear brake assembly1x brushless wiring harness1x ignition key switch1x 3 speed switch1x throttle pedal 1x brake switch1x charging port 1x terminal block1x forward reverse switch1x power indicator1x brake caliper 1x 25ah air switch