Park Tool Cc-4 Chain Wear Indicator Derailleuer Hangers and board-short style make this

and board-short style make this the perfect addition to a workout routine that takes you from the gym to the beach and back again

A slim design makes it easy to slip the case into a pocket or stash it in a bag

this boot challenges the standards of its category

Machine washer & dryer friendly

50% more elastic

Park Tool Cc-4 Chain Wear Indicator Derailleuer Hangers and board-short style make thisThe CC 4 is a drop in style gauge that measures bicycle chain wear. The laser cut CC 4 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 knowing when chain replacement is necessary. A worn chain will cause poor shifting as well as accelerate drivetrain wear. The tool works on any 5 to 12 speed derailleur chain (including SRAM AXS) and is