O-Ring and X-ring Motorcycle Chain - Gold Plated 420,428,520,530,630 Alloy steel High tensile strength ... O-Ring and X-ring Motorcycle Chain - Gold PlaedThe service life of chain is greatly depended on the ... , 530, 530H, 630, 630H- Color available: Natural, Blue, Brown, Nickel, Copper O-Ring and X-ring Motorcycle Chain - Gold Plated 428,520,530