Park Tool CC-2 Chain Checker měrka řetězu

Professional chain gauge with eccentrically mounted pin for accurate wear measurement.

Measurement procedure:

• insert the pin gauge between the chain links in the home position 0
• by pushing on the scale we find the deviation of the chain%
• the manufacturer recommends replacing the chain at 0.5% (for 11 and 12 speeds) and 0.75% (for 10 speeds and less)