Park CC-4 Chain Wear Indicator Tool Out of Stock After using countless different models

After using countless different models that always seem to slip down

TL - 2 x 21mm Pistons

simple and no-fuss way to store your bikes

Uppers and Lowers sold separately

Chainring compatibility: Huge 26-38T range

Park CC-4 Chain Wear Indicator Tool Out of Stock After using countless different modelsA worn chain will make your gears shift poorly, create more noise, and wear your cassette and chainrings out more quickly. The Park Tool CC 4 Chain Checker will let you know when it's time to replace your chain so that you can keep your drivetrain running sweet and save some money on replacement parts. Who's this item for: Anybody who wants to keep their bike's drivetrain running smoothly. Chain compatibility: Works with 5 to 12 speed chains. How does