tire size 24x1.5/1.75 LCD display LCD-003 Kit for converting a bicycle into an electric bike with 24-inch wheels combines all electric bike technologies with a brushless gearless high-torque gear motor with front-wheel drive, allowing you to turn almost any bike into a personal electric bike. Save energy, protect the environment, and save money while having a lot of fun. Voltage 48V, power, 1000W maximum speed 73 km/h. Mechanical brake, disc or V-shaped, noise level 60dB, waterproof design Package Contents 1 48V motor controller, 1000W 1 LCD display 1 rotary throttle 2 brake levers 1 three-button cruise control switch 1 pedal assistant wire, 1 gas handle weight is 8.6kg