Park Tool CC-2 Chain Wear Indicator Battery four individual pockets keep your

four individual pockets keep your tube

When Should You Use Muc-Off Dry Chain Degreaser

ready for everyday road riding

and bikes where 9-speed is the right spec

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Park Tool CC-2 Chain Wear Indicator Battery four individual pockets keep yourHow does the Park Tool CC 2 measure chain wear? The Park Tool CC 2 Chain Wear Indicator takes the guesswork out of chain replacement by giving you a definitive go no go reading in seconds. The precision machined gauge drops into chain links at a calibrated depth: if the tool seats fully, your chain has stretched past the wear threshold and needs to be replaced before it accelerates cassette and chainring wear. Built from hardened steel for lasting