This item may be available in a different size, colour, scent, version or platform:
Park Tool CC-2 Chain Checker
Recommended Use: determining chain wear
The Park Tool Chain Checker allows you to quickly assess the wear and stretch of any chain to help maintain a healthy drivetrain. Just insert the CC-2's pins into two links, secure the swing arm gauge, and then check the gauge window for an accurate reading. The CC-2 is 10- and 11-speed compatible.