085-1 simplex roller chains 1.material:40MN/A3 2.pitch:12.700mm ... 30mm 4.color:natural.black.blue.yellow 085-1 simplex roller chains 1.material:40MN/A32.pitch:12.700mm3.plate thickness ... 530H, 05MA, 05MB, 05MC, 06MC 2. O-Ring Motorcycle chains: 428SO,520SO,525SO,530SO3. Roller chains: A series and B series4. Silent ... . PIV chains: A0,A1,A3,A4,A5,A66. O-ring chains and xw-chains: 420,428,520,525,530,630 ...