CC-4.2 Chain Checker Alivio Extension Width: 100mm

Extension Width: 100mm

reliable in all weather

Carry tubular tire

Classic fit- Moderate bum coverage with a hint of cheek

CC-4.2 Chain Checker Alivio Extension Width: 100mmThe CC 4. 2 is a drop in style gauge that measures bicycle chain wear. The laser cut CC 4. 2 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 13 speed derailleur chain (including SRAM AXS) and is