Mary 24 inch high-end 40-50km aluminum alloy USB charging folding electric bicycle

24 Aluminum Alloy lithium car, seven speed, Aluminum Alloy frame, shock fork, Aluminum Alloy bearing shaft skin, seal shaft, Aluminum Alloy knife ring, ZhengXin tire. Black double cover Aluminum Alloy wheel, aluminum pedals, front goose head, folding saddle, 48V high speed gear motor, front headlight, turn one, two and a headlight horn switch, AMD 48--10 lithium battery, Shimano TX50-7 hand, all aluminum pedal power to switch off, Boris disc brakes 24/1.75 ZhengXin fetal