Park Tool - CC-2 Chain Checker Seatposts Made with high-quality CNC Machined

Made with high-quality CNC Machined Aluminum Alloy

and crank bolts

and 2 fixed nylon pins)

Width: 220 mm

Opens and closes BBB BCH-08/09/10/11S SmartLink II chain closing links

Park Tool - CC-2 Chain Checker Seatposts Made with high-quality CNC MachinedPARK TOOL CC 2 CHAIN CHECKER A worn bicycle chain can cause poor shifting and in time can even cause excessive wear to the derailleur and rear cogs, causing a much more expensive problem. That's why bike component manufacturers recommend chain replacement at regular wear intervals. Now you can quickly and accurately determine the wear (or "stretch") of nearly any bike chain with the CC 2 Chain Checker. Simply insert the Chain Checkers pins into two