Park Tool CC-4.2 Chain Checker Tool Traction Devices Coming in as their lightest

Coming in as their lightest and shortest overall length post

-Thick back of hand protects as you brush away tree branches

a padded vegan leather strap

prAna embroidery or retro patch placed at center front

Park Tool CC-4.2 Chain Checker Tool Traction Devices Coming in as their lightestA 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