Size 26'' gear: Shimano inter 7 speeds Power type: Power-assist; Batteery: 36V 9 ah Li-ion Running distance: > 25km

Size 26'' gear: Shimano inter 7 speedsPower type: Power-assist;      Batteery: 36V 9 ah Li-ion(cgr18650cg)Running distance: > 25km;     Charging time: 4-6hMotor: 200W DC brushless (dapu)Display panel: LCD display panel (dapu)