Material: Aluminum Alloy Color: Black Suspension Type: Front Special Feature: Electric Assembly Requirement: Yes Brake Type: Power-off Brake Lever (Applicable to V Brake, Disc Brake) Motor Type: Brushless Gearless Motor Gear Adjustment: 5 Gears Recommended Battery: 48V 13AH or Higher Capacity Battery(Not Included) Output Voltage: 48V Power: 1000W Minimum Flat Fork Distance: 100mm/3.94in Speed: 45-55km/h Display Size: 6.89.6cm/2.673.77in Packing Size: 656522cm/25.5925.598.66in Suitable Wheel Diameter: 28-inch, 29-inch, 700C Package Included 1 Motor Wheel 1 Display 2 Brake Levers 1 Controller 1 Thumb Knob Handle 1 Controller Bag 1 Pedal Assist Sensor 1 Motor Cord 1 Winding Pipe 1 English Instruction Manual.