The Park Tool CC-3.2 is a go/no-go gauge designed to accurately indicate when a chain reaches 0.5% and 0.75% wear (or "stretch"), the points at which most chain manufacturers suggest …

CC-3.2 is a “go/no-go” gauge designed to accurately indicate when a chain reaches .5% and .75% wear, the points at which most manufacturers suggest replacement (contact the chain …

The CC-3.2 is a "go-no go" gauge designed to accurately indicate when a chain reaches .5% and .75%, the points at which most chain manufacturers suggest replacement. The updated CC …

チェーンの伸びを0.5%、0.75%で簡単にチェックでき、スピーディーな作業が可能になります。

Don't let your worn-out chain ruin the rest of your drivetrain. This handy tool is quick and easy to use, and can save you some serious headaches. This "go/no-go" chain gauge is designed to …

A worn chain shifts poorly and wears sprockets at an accelerated rate. The CC-3.2 is a go/no-go gauge designed to accurately indicate when a chain reaches .5% and .75% "stretch," the …

Enhance your cycling experience with Park Tool CC-3.2 Chain Wear Checker. Find the best gear at trekbikes.com and your local Trek retailer. Shop now!

For 9 and 10-speed chains, replace your chain just as the gauge fits the 0.75% side fits flat into the chain. For 11 and 12-speed models, replace when the 0.5% side fits. If you are looking for …