A worn chain shifts poorly & wears sprockets at an accelerated rate The CC-3 is a Go / No-Go gauge designed to accurately indicate when a chain reaches 0.75% & 1% wear
- the point at which most chain manufacturers suggest replacement The chain should be replaced soon if the 0.75% side fits into the chain before other drive train components also start to wear out fast If the 1% side fits into the chain the chain is worn out & should be replaced immediately Made from precision laser cut steel Consider that if you replace a chain because of wear other vital drive-chain components may need to be renewed too 10-speed compatible