Park Tool CC-4.2 Chain Checker Nutrition Per Gel (40g)

Per Gel (40g)

flat-tires ruin rides

Never exceed the temperature of 100°C (212°F)

Rolls Pro is suitable for use after having cleaned the chain and drivetrain with Chain Cleaner

10-36t: 10

Park Tool CC-4.2 Chain Checker Nutrition Per Gel (40g)A 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