Features - 48V 750W Powerful Motor - Seat Lift Removable 13Ah Lithium Batteries - 20x4.0 All Terrain Fat Tires - Front Suspensions - 7 Speed System Material: 6061 aluminum alloy Size: 20 x 4.0 inches Motor: 750W brushless motor Torque: 50 N.m Battery: 48V13Ah Lithium-Ion Battery *1 Max Speed: 25MPH (The actual speed will vary due to rider weight and road conditions) Max Mileage: 90Miles(The actual speed will vary due to rider weight and road conditions) Brakes: 160mm front & rear disc machine brake Transmission System: Shimano 7 Gears Charging Time: about 6.5H Bike Weight: 74.8lbs (34KG) Gross Weight: 89.29lbs (40.5KG) Maximum Load: 264.55lbs (120KG) Rider Heights: 5.0ft~6.8ft(155cm-210cm) Payload Capacity: 264lbs (120KG) Package Dimensions (LWH): 4.8(ft)*1.0(ft)*2.5(ft) (148.5*32*78CM) What's in the box? L20 E-bike x1 48V13Ah Lithium-Ion Battery x1 Battery Charger x1 Assembly Tool kit x1 Pedals x2 English User Manual x1