Park Tool CC-2 Chain Checker Attaquer the GP5000 S TR is

the GP5000 S TR is engineered to maximise speed without compromising durability

NOT including Campagnolo® hollow pin chains

wearable and USB rechargeable bike light

The continuous liner running from the levers to the derailleur offers outstanding protection from dirt and debris

Thread together BB for 386EVO and BBRIGHT frames and 30mm spindle diameter cranks

Park Tool CC-2 Chain Checker Attaquer the GP5000 S TR isTo 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