Frame: low step Alloy 6061 withrear2 suspension
Front fork: suspension
Rim: aluminum alloy
Wheel Kenda 20inch*4.0 tire and tube 
Spokes:13G stainless steel
handle bar: classic style
Saddle and gip: leather soft and comiortable
Dralleur Shimano Tourney 7-Speed
Controller. 48V/35A
Brake: Front&Rear Tektro Hydrautic disc
brakes with 180mm round disc
Motor. 48V500W/48V1000W brushless
Battery.36V/48V,10.4AH, 13AH Lithium battey
Display Middle stye colorfULCD
Max speed: 34mph
Front classic light
Rear Spaninga light
lanti-water wires for whole bike