NAKTO Fat Tire Ebike F2 MOTOR : Rear Hub 500W G.W : 68 Lbs with battery. BATTERY 48v 16Ah Lithium Battery PACKING 1580*280*775mm RANGE 30-60 Miles Tire 20"*4" CHARGING TIME 4-6 Hours DERAILLEUR 6 Speed SHIMANO DISPLAY M6 displayer LIGHTS Front LED light, rear reflective light SENSOR Speed Sensor WIRING: Waterproof Connectors and Wiring Harness BATTERY LIFE: Up to 1000 Cycles RIDER HEIGHTS: 5&';3"--6&';3" BRAKE: Front and rear disc brake FUNCTIONS: Pedal Assist On-Demand Throttle NAKTO Fat Tire Ebike F2 Plus MOTOR : Rear Hub 750W G.W : 68 Lbs with battery. BATTERY 48v 16Ah Lithium Battery PACKING 1580*280*775mm RANGE 30-60 Miles Tire 20"*4" CHARGING TIME 4-6 Hours DERAILLEUR 7 Speed SHIMANO DISPLAY Y91F displayer LIGHTS Front LED light, Rear light SENSOR Speed Sensor WIRING: Waterproof Connectors and Wiring Harness BATTERY LIFE: Up to 1000 Cycles RIDER HEIGHTS: 5&';3"--6&';3" BRAKE: Front and rear Hydraulic brake FUNCTIONS: Pedal Assist On-Demand Throttle