... .Steel rim or aluminum alloy rim 3.Size: 16", 18", 20", 24" 4.Color; Red, blue. New model children bicycle, 16 ... ",18",20",24" unicycleModel No.: U-18A (18", Aluminum rim or stell ... G. W. /N. W.: 5.0/4.5kg Conveyance: 691pcs/20' FCL, 1432s/40' FCL, 1580pcs/40' HQ baby tricycle children ...