CC-4.2 Chain Checker Tool hats & beanies Lockring Sold Separately

Lockring Sold Separately

Transport Mode

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

CC-4.2 Chain Checker Tool hats & beanies Lockring Sold SeparatelyA 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