Park Tool CC-4.2 Chain Checker Nutrition 10-36t: 10

10-36t: 10

Zero/Calibration: Auto Zero

Available in 10 anodised colours to match your Muc-Off tubeless valves

Total Capacity: 31T

So you can ride with confidence over bumps and jumps knowing that your iPhone or Galaxy isn’t going anywhere your bike isn’t

Park Tool CC-4.2 Chain Checker Nutrition 10-36t: 10A 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