Park Tool Chain Checker (CC-4) product-type_rim-brake Redesigned for 2020 Syncros’ new

Redesigned for 2020 Syncros’ new water bottles feature a significantly redesigned profile for easier storage and a new valve for better delivery

With full-time running lights and an optional high beam light Vibe is ready for the road

this tow ball carrier is a technical marvel for all cyclists

clean look

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Park Tool Chain Checker (CC-4) product-type_rim-brake Redesigned for 2020 Syncros’ newAbout Park Tool Chain Checker (CC 4)The 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