CC-4.2 Chain Checker Drop-In Style for 5-12spd incl. SRAM T-Type, Flattop, & Shimano XTR 12spd Black Friday The result is a race-day

The result is a race-day tyre with ultimate performance capabilities that can be used for everyday riding

Unique ‘shake-to-awake’ two-part formula penetrates and cleans deep inside your chain

48g (3 pcs VersaMount clamp)

or hangout into a statement

CC-4.2 Chain Checker Drop-In Style for 5-12spd incl. SRAM T-Type, Flattop, & Shimano XTR 12spd Black Friday The result is a race-dayA worn bicycle chain causes poor shifting performance and can actually wear out drivetrain components, causing more expensive problems. The Park Tool CC 4. 2 Chain Checker is a drop in style gauge that measures bicycle chain wear. The laser cut CC 4. 2 accurately measures a long section of chain and strategically comes in contact with the chain in three places, quickly and easily taking the guesswork out of determining when chain replacement is