Park Tool Cc-4 Chain Wear Indicator Ropes Stretch underarm gusset for breathability

Stretch underarm gusset for breathability and freedom of motion

The SRAM HARD CHROME chain has four times the elongation (wear) resistance to our other chains

The Women's Rim Runner™ X20 is constructed specifically for a woman’s frame

Outer Fabric:Fabric Outer - Cordura®:

A zippered bottom compartment perfectly fits a spare set of shoes or keeps dirty laundry separate

Park Tool Cc-4 Chain Wear Indicator Ropes Stretch underarm gusset for breathabilityThe CC 4 is a drop in style gauge that measures bicycle chain wear. The laser cut CC 4 accurately measures a long section of chain and strategically comes in contact with the chain in three places, quickly and easily taking the guesswork out of knowing when chain replacement is necessary. A worn chain will cause poor shifting as well as accelerate drivetrain wear. The tool works on any 5 to 12 speed derailleur chain (including SRAM AXS) and is