... -Ring and X-ring Motorcycle Chain - Gold Plated 420,428,520,530,630 Alloy steel High tensile strength O-Ring and X ... association, be recommend to worldwide.- Model: 420,428, 428H,520, 520H, 525, 525H, 530, 530H, 630, 630H- Color available: Natural, Blue, Brown ... , Nickel, Copper O-Ring and X-ring Motorcycle Chain - Gold Plated 428,520,530