Park Tool CC-4.2 Chain Checker Tool Run Accessories Brand_Osprey Long shape allows for fore-aft

Long shape allows for fore-aft movement

85mm of foam

XT BR-M8120

DARING AND INDOMITABLE

our Competition last features a more curved profile than the Sport last

Park Tool CC-4.2 Chain Checker Tool Run Accessories Brand_Osprey Long shape allows for fore-aftA 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