CC-4.2 Chain Checker Tool hats & beanies Say goodbye to the hassle

Say goodbye to the hassle of traditional tubeless valves that clog up and require valve cores to be removed to fill sealant with sufficient air flow during set up

trail-ripping

providing protection from rocks and roots when the trail turns gnarly

truly independent High and Low Speed Compression along with an increased range of rebound adjust

fog-fighting airflow

CC-4.2 Chain Checker Tool hats & beanies Say goodbye to the hassleA worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC 4. 2 Chain Checker is a drop in gauge that measures chain wear accurately. It contacts the chain in three places, eliminating guesswork. Compatible with 5 to 13 speed and single speed chains, it indicates wear at 0. 5%, 0. 75%, and 1. 0%, matching manufacturer replacement recommendations. Measures bicycle chain wear accurately, preventing expensive