Park Tool - CC-3.2 Steel Chain Checker Flat Shoe This Super Narrow HG-X11 directional

This Super Narrow HG-X11 directional chain offers precise shifting and improved durability thanks to SHIMANO's SIL-TEC treatment on the inner plate surfaces

S4/S5: 170mm

and DH tires

Easy mounting on round and oval rails

Split design gives a minimalist appearance and creates increased functionality when used with cargo baskets

Park Tool - CC-3.2 Steel Chain Checker Flat Shoe This Super Narrow HG-X11 directionalPARK 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