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Park Tool CC-4.2 Chain Checker
Park Tool CC-4.2 Chain Checker
Park Tool CC-4.2 Chain Checker
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Park Tool CC-4.2 Chain Checker 1
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Park Tool CC-4.2 Chain Checker

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Description

Chains Wear Out, It's Good To Be Sure When

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 necessary. The tool works on any 5 to 13-speed derailleur chain or single-speed chain, and is designed to accurately indicate when a chain reaches 0.5%, 0.75%, and 1.0% wear, the points at which most chain manufacturers suggest replacement.

Features:

  • Checks 5 to 13-speed chains (including SRAM® T-Type, SRAM® Flattop™, Shimano® XTR® 12-speed, and Campagnolo® Ekar™ 13-speed chains)
  • 5-to-10-speed chains: replace at or just before 0.75%
  • 11-to-13-speed chains: replace at or just before 0.5%
  • Two-sprocket (single-speed) chains: replace chain at or just before 1.0%

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

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