roller chain,roller chain,roller chain,roller chain,roller chain,roller chain,roller chain,roller chain,roller chain ANSI 80 /DIN 16A-1 standard roller chain 1.material:40MN/ ... .4mm3.plate thickness:3.25mm 4.color:natural.black.blue.yellow 5.has taken measures to better antirust6.long- ... 2. O-Ring Motorcycle chains: 428SO,520SO,525SO,530SO3. Roller chains: A series and B series4. Silent chains: SC3, ...