Main Features 1. 720Wh 21700 Lithium BatteryThe removable 48V 15Ah battery can be charged on or off the frame; BMS system protects the battery, increasing service life.2. Strong 750W Power (Top Speed 25km/h)750W Motor has high performance, more power, faster acceleration, and Greater Climbing Ability.3. Shimano Tourney 21-speed GearShimano 3x7 speed gear increases stronger hill-climbing power further range variation, and greater terrain adaptability.4. Three Modes of TravelBuilt-in 3 riding modes: ride mode, assist mode and pure electric mode; easily switch according to the gear and mode, and can calmly deal with the needs of different scenes. Specifications Brand DUOTTS Model C29 Meter Display LCD Frame Material Aluminum alloy frame Battery 48V 15AH Charger Voltage 54.6V 2A Charger Plug Type EU Charging Time 6-8 hours Motor Wattage 48V 500W Torque 60N.m Speed Level 5-speed Mechanical Shift Shimano 21 speed Riding Modes 1.Pure electronic mode 2.pedal assisted mode 3.riding mode Tire 29*2.1 Brake front and rear disc brakes Shock Absorber all-aluminum shock-proof front fork Gradeability 30° Max Speed 25KM/H Mileage of Pure Electric 50-60km Mileage of Assistance 80-100km Maximum Load 120kg Rear Seat Bracket Maximum Load 80kg Suitable Height 170-200cm Mudguard front and rear fenders Waterproof Level IPX5 Net Weight of the Bike 26.5kg Weight of Battery 3.95kg Gross Weight 31.7kg Product Size 184*71.5*113cm Package Size 146*24*79cm Package Contents 1 x C29 Electric bike 1 x Battery charger 1 x Tool kit 1 x inflator 1 x User manual