Park Tool Tool Chain Checker Cc-2

About The Product

• Quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker
• Simply insert the Chain Checker’s pins into two links, lightly press the swing arm gauge, and then check the gauge window for an accurate reading
• For 9 and 10-speed chains, replace chain at or just before the 0.75% reading - for 11 and 12-speed chains, replace at or just before the 0.5% reading - for single-speed chains, replace chain at or just before the 1% reading