NEW Park Tool CC-4 Chain Wear Indicator variant-size-41-eu-womens Front Derailleur: N/A

Front Derailleur: N/A

It looks and feels like a much more expensive helmet

The derailleur is designed with a resilient Overload Clutch - in the event of an impact

Front Axle: 15mm Thru x 100mm

NEW Park Tool CC-4 Chain Wear Indicator variant-size-41-eu-womens Front Derailleur: N/AThe 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 and is designed to accurately