D.I.D Racing Chain 420 Standard Series Chains:110L lower numbers indicate a hotter

lower numbers indicate a hotter type

254mm (10 inches)

There are key features in all of Dr

a highly durable and abrasive coating that helps protect

D.I.D Racing Chain 420 Standard Series Chains:110L lower numbers indicate a hotterD. I. D Standard Drive Chains are some of the best quality chains in the world. Although these chains are labeled as standard, they are by no means close. They surpass the ANSI Standard(American National Standards Institute) and JIS(Japanese Industrial Standard). That means all D. I. D Standard chains adhere to a strict protocol and production process. They are properly heat treated and factory pre stretched to meet their Automated Quality Control.