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Park Tool

Park Tool CC-4.2 Chain Checker Tool

Park Tool CC-4.2 Chain Checker Tool

Regular price $17.95
Sale price $17.95
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Product ID: GM083024-06

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Description

A worn bicycle chain can lead to poor shifting performance and premature wear of drivetrain components, resulting in costly repairs. The Park Tool CC-4 Chain Checker is an essential drop-in style gauge that simplifies chain wear measurement, helping you avoid these issues. Precision-engineered with laser-cut accuracy, the CC-4 measures a long section of the chain and makes contact at three critical points. This design quickly and reliably removes the guesswork from determining when your chain needs replacing.

The CC-4 works seamlessly with any 5 to 13-speed derailleur chain, including SRAM® T-Type, SRAM® Flattop™, Shimano® XTR® 12-speed, and Campagnolo® Ekar™ 13-speed chains. It accurately indicates when your chain reaches 0.5% and 0.75% wear, the thresholds at which most manufacturers recommend replacement.

CC-4 Features:

  • Replacement Guidelines:
    • 5-to-10-speed chains: Replace at or just before 0.75% wear.
    • 11, 12, 13-speed chains: Replace at or just before 0.5% wear.

Be sure to consult specific recommendations from your drivetrain manufacturer, as guidelines can vary depending on the components.

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