Stay ahead of drivetrain wear with the CC-4.2. This precision tool lets you quickly measure chain stretch, helping you avoid premature cassette and chainring wear.

• Compatible with 5–12 speed chains (including SRAM Flattop & Shimano HG+)

• Clearly indicates 0.5% and 0.75% wear points

• Long contact arm fits past tight links and rollers for accurate readings

• Laser-cut steel body for durability and precision

• A must-have for routine maintenance and chain replacements

Simple, accurate, and built to last — don’t guess your chain wear, check it properly.