Park Tool - CC-2 Chain Checker Stock Item:Park Tool Chain Checker The Hydration Backpack is available

The Hydration Backpack is available in two sizes to enable the perfect fit for all body shapes

Scott Syncros 1

Aggressive gravel tire

Push fit cap ensures fast deployment when required and a spare pre-loaded insertion tube can be kept in the handle

Universal magnetic-mechanical bottle holder

Park Tool - CC-2 Chain Checker Stock Item:Park Tool Chain Checker The Hydration Backpack is availablePARK TOOL CC 2 CHAIN CHECKER A 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. Now you can quickly and accurately determine the wear (or "stretch") of nearly any bike chain with the CC 2 Chain Checker. Simply insert the Chain Checkers pins into two