CC-2: Chain Checker king cage allowing for a small range

allowing for a small range of movement while still delivering a high degree of peddling efficiency

With an innovative magnetic quick-access flip-top opening

The shackle

Breathable waterproof garments are most likely to get sweaty and wet inside when used in damp or wet conditions

and a flexible pocket divider securely holds contents in place

CC-2: Chain Checker king cage allowing for a small rangeTo alleviate poor shifting and uneven drive train wear, manufacturers recommend chain replacement before rear cog replacement. Now you can quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker. Simply insert the Chain Checkers pins into two links, lightly press the swing arm gauge, and then check the gauge window for an accurate reading. The CC 2 is compatible with most single speed and derailleur chains.