Park Tool - CC-3.2 Steel Chain Checker Stock Item:Default Title Made from high-strength steel

Made from high-strength steel

and 9% improved riding comfort

Carrier fitting kits with various sizes of clamps

Achieve Optimal Positioning: Achieve optimal positioning with the Aerobar Bracket Riser Kit

Park Tool - CC-3.2 Steel Chain Checker Stock Item:Default Title Made from high-strength steelPARK TOOL CC 3. 2 STEEL CHAIN CHECKER 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%, the points at which most chain manufacturers suggest replacement. For 9 and 10 speed chains, replace chain just as the gauge fits the 0. 75% side fits flat into the chain. For 11 and 12 speed chain, replace as the 0. 5% side fits. The CC 3. 2 is