Chain-Wear Indicators CC-3.2C & CC-2 sun-bum Available in black or white

Available in black or white with debossed butterfly graphic

The Special Steel X-Fine brush is long lasting and efficient

Volume guide

Reflective thread is woven into the comfortable and durable webbing

13 x 11 inches (Medium)

Chain-Wear Indicators CC-3.2C & CC-2 sun-bum Available in black or whitePark Tool CC 2 Chain Wear Indicator A worn chain shifts poorly and wears sprockets at an accelerated rate. Park Tool Chain Wear Indicator is a "go no go" gauge designed to accurately indicate when a chain reaches . 5% and . 75%, the points at which most chain manufacturers suggest replacement. The updated CC 3. 2 is longer, more accurate and features permanent measurement markings.