... 2.pitch:31.750mm 3.plate thickness:4.00mm A series 100 chain used for Industry 1.material:40MN/A32.pitch ... , 05MB, 05MC, 06MC 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,A4,A5,A66. O-ring ...