Park Tool PT-CC-4 Chain Checker - 5 to 12 speed safe_mips The HRM Pro Plus stores

The HRM Pro Plus stores data during activities like swims and forwards it to your compatible Garmin smartwatch once you're finished

and an astounding 3-5 times the durability of traditional tape materials

This design ensures stability and comfort

Featuring an aluminum brake lever with composite shifter levers and steel/chromoly hardware

Park Tool PT-CC-4 Chain Checker - 5 to 12 speed safe_mips The HRM Pro Plus storesPark Tool Chain Checker Your Chain's Best Friend! Elevate your cycling performance with the Park Tool Chain Checker. Don't let a worn out chain hinder your ride poor shifting and potential drivetrain damage are no longer your concern. The CC 4 Chain Checker is your reliable gauge for measuring chain wear accurately and efficiently. Designed for simplicity and precision, it's your essential tool for ensuring optimal chain performance. Say No to Chain