17Ah large battery provides 55km mileage of pure electric mode and 75km mileage of power assistance mode. 500W strong motor empowers each at a faster speed, providing more freedom and more fun. Max speed CMACEWHEEL F26 can reach 38-42km per hour, which brings you a different speed experience. Aluminum alloy body, CMACEWHEEL F26 is extremely lightweight, and weighs only 27.5kg. Designed with CST 27.5*2.1 tires for improved traction and stability. Specification Brand: CMACEWHEEL Type: Electric Bike Model: F26 Frame Material: Aluminum Alloy Battery: 17Ah Battery Voltage: 48V(54V) Charger voltage: 100-240V 2A Motor Wattage: 500W Gears: Five gears Tyre: CST 27.5*2.1 Brake: Oil brake Gradeability: 30° Max speed: 38-42 km/h Mileage of pure electric: 55KM Mileage of assistance: 75KM Product Weight: 27.5kg Package Weight: 35kg Package Size: 160×24×86cm Package Contents 1 x Electric Bike 1 x Charger 1 x User Manual