PARK TOOL CC-3.2 Chain Checker Gift card The extra-thick webbing straps work

The extra-thick webbing straps work with QUOC's signature microfibre to fasten over your saddle bag with a locking buckle

Includes mount and two fitting shims

and blocks out damaging rays

Complete your kit with the new Essential Socks

Raw edge hems create a smooth transition from short to skin for a sleek

PARK TOOL CC-3.2 Chain Checker Gift card The extra-thick webbing straps workA 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. The Park Tool CC 3. 2 is a go no go gauge designed to accurately indicate when a chain reaches 0. 5% and 0. 75% wear (or "stretch"), the points at which most chain manufacturers suggest replacement.