Park Tool - CC-4.2 Drop In Chain Checker Stock Item:Park Tool Drop-In Chain Checker Stay informed with a 5

Stay informed with a 5 LED battery indicator and 5 LED mode indicator for easy monitoring of power and settings

For KMC chainring Bosch Gen 4

15x110mm thru-axle / (R) Shimano MT510B

The chain will not be dry to the touch - given the layer of wax that also protects the outside - but it will not be greasy or sticky and will not retain dirt

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Park Tool - CC-4.2 Drop In Chain Checker Stock Item:Park Tool Drop-In Chain Checker Stay informed with a 5PARK TOOL CC 4. 2 DROP IN CHAIN CHECKER A 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