Specifications Wheel Material: Aluminum Color: Black Specific Uses For Product: Road Suspension Type: Rear Special Feature: Electric Voltage: 220V Output Voltage: 48V Power: 1500W Rotational Speed: 500rpm Torque: 50N. M Motor Speed: 55km/h Gross Weight: 12.5kg/27.56 lbs Net Weight: 11.5kg/25.35 lbs Package Size: 606023cm/23.6223.629.06″ Wheel Size: 26-inch Wheel Width: 209.5mm/8.25″ Wheel Diameter: 573mm/22.56″ Flywheel Diameter: 242mm/9.53″ Package Included 1 Motor Wheel 1 7-speed Flywheel 1 Controller 1 LCD Display 1 Ordinary Throttle 1 Pedal Assistant Sensor 1 Power-off Brake Lever 1 Controller Bag 1 English Manual All Accessories for Assembly.