Park Tool CC-2 Chain Checker GSRD or a gel nearby and

or a gel nearby and secure at all times

The G27 is the G23’s little big brother

Rolls are 2m (enough for one-wheel)

Lightweight

Park Tool CC-2 Chain Checker GSRD or a gel nearby andTo 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 Specifications The CC 2 is compatible with most single speed and