... 2. O-Ring Motorcycle chains: 428SO,520SO,525SO,530SO3. Roller chains: A series and B series4. Silent chains: SC3,SC4,SC5,SC6, ... SC8,SC105. PIV chains: A0,A1,A3 ... ,530,630 (Racing Chains)7. Leaf chains: LH series8. Double pitch conveyor chains with attachments: 2040,2050,2060,20809. Nickel-plated chains: 25NP,35NP,41NP, ...