Specifications Material of the frame: aluminum alloy Adjustable handlebar height: 110-116 cm Adjustable seat height: 78-100 cm Tire: 27.5*1.75 inches with air Compression Motor: 36V 250W rear drive (480W peak). Maximum torque: 45 Nm Battery: 36V 14.5Ah Li-ion battery Default maximum speed: 25 km/h Adjustable maximum speed: 32 km/h Maximum range in assisted mode: 90-110 km Maximum range in autonomous mode: 55-65 km Maximum climbing capacity: 30 Charging time: 6-8h Suspension: Spring suspension fork Display: 3.5-inch LCD screen Transmission: SHIMANO 7-speed transmission Brake type: Mechanical disc brakes Reflector: Yes Rear light: Yes Driving mode: Human / assisted / pure power Ingress protection rating: IP54 Weight and dimensions Product weight: 25 kg Packaging weight: 31 kg Product size: 178x110x67cm Packaging dimensions (L. x W. x H.): 148 x 25 x 83 cm Package contents 1 x FAFREES Electric Bike 1 x Charger 1 x Tool Kit 1 x User Manual