Park Tool CC2 Chain Checker Tool

##Park Tool CC2 Chain Checker Park Tool’s accurate way to check for wear of roller and pin on chains. 1% of wear is enough to affect chainrings and sprockets; and allow shifting performance to deteriorate. Just insert the chain Checker’s pins into two links; press the swing arm gauge; and then check the gauge window for an accurate reading. Reads wear from 0.25% to 1%. 10 and 11-speed compatible.