Thread Stem Double Bearing Finishing: zinc plating, painting, chrome plating, Wheel Color zinc plating, electrophoresis Thread StemDouble BearingFinishing: zinc plating, painting, chrome plating,Wheel Color zinc plating, electrophoresisTotal breakWheel Option:PU Wheel Color Option: black and silvery whiteItem No.Wheel Dia.Tread widthLoading HeightOffsetStem LengthStem Dia. ...