1)Professional manufactrue of balls 2)Advanced technology 3)Short delivery time 4)Good service ... G1000SS3040.8mm-180mmG10-G1000Stailess steelball application:wheel, caster, slider, bicyclesStainless steel balls have similar mechanical properties as ... G1000HRC>58Material: carbon, stainless, chrome application:wheel, caster, slider, bearing,bicycle, motorcycle OEM is welcomeHUARI Products show Our ...