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CC-4.2 Chain Checker
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Quickly check chain wear with the Park Tool CC-4.2 Chain Checker—precise and easy to use
We know that regular chain maintenance is key to smooth shifting and long-lasting components, which is why we trust the Park Tool CC-4.2 Chain Checker to keep us rolling smoothly. Whether we’re maintaining our gravel bike, mountain bike, or road bike, this tool takes the guesswork out of determining chain wear, letting us know exactly when it's time for a replacement. Designed with precision laser cuts, the CC-4.2 measures wear across multiple points on the chain, delivering accurate readings every time.
It works with a wide range of chains, from 5-speed to 13-speed setups, including SRAM, Shimano, and Campagnolo, ensuring compatibility no matter what we ride. With clear indications at 0.5%, 0.75%, and 1.0% wear, we can easily follow manufacturer recommendations and avoid damaging more expensive components. Simple, effective, and reliable, the CC-4.2 is a must-have tool for keeping our drivetrain running smoothly.
Details
- Drop-in chain wear gauge for precise, easy maintenance
- Measures wear for 5- to 13-speed chains, including SRAM T-Type and Shimano XTR
- Indicates wear at 0.5%, 0.75%, and 1.0%—ideal for timing chain replacement
- Works on single-speed and derailleur chains
- Laser-cut tool ensures accuracy over the long haul
- Item #PARE04P
- Compatibility
- 5 - 13-speed derailleur chains
- Activity
- bike maintenance
- Manufacturer Warranty
- lifetime