Park Tool - CC-2 Chain Checker Stock Item:Park Tool Chain Checker adjustable plate support sleeve helps

adjustable plate support sleeve helps position and secure the chain for effective removal and installation of precision chain pins

which can be recognised by the abbreviation FM in their product names

Use Drop-Stop ST with Shimano 12-speed Hyperglide+ and 12spd KMC chains

The special design of the shape makes them fit almost every bike

Park Tool - CC-2 Chain Checker Stock Item:Park Tool Chain Checker adjustable plate support sleeve helpsPARK 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