Park Tool Chain Wear Indicator (CC-3.2) BSS-000110 Fast rolling center ridge -

Fast rolling center ridge - front or rear

Ultralight

it’s also anti-bacterial

Battery Life: Make sure you’re ready for those long rides and training sessions with up to 120 hours of battery life

Park Tool Chain Wear Indicator (CC-3.2) BSS-000110 Fast rolling center ridge -About Park Tool Chain Wear Indicator (CC 3. 2) 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