Park Tool CC-4.2 Chain Checker BF PA The Shimano CN-M8100 is built

The Shimano CN-M8100 is built to withstand demanding off-road riding while offering excellent value

the CN-M8100 allows fast

Compatible with SRAM RED AXS

Each kit contains a pliers and clips

Park Tool CC-4.2 Chain Checker BF PA The Shimano CN-M8100 is builtA worn bicycle chain causes poor shifting performance and can actually wear out drivetrain components, causing more expensive problems. The Park Tool CC 4. 2 Chain Checker 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 determining when chain replacement is