Park Tool CC-4.2 Chain Checker Tool
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Park Tool CC-4.2 Chain Checker Tool. A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain wear accurately. It contacts the chain in three places eliminating guesswork. Compatible with 5 to 13-speed and single-speed chains it indicates wear at 0.5% 0.75% and 1.0% matching manufacturer replacement recommendations.Measures bicycle chain wear accurately preventing expensive drivetrain damage
Laser-cut design contacts the chain at three points providing quick and precise wear measurement
Compatible with 5 to 13-speed derailleur chains and single-speed chains
Indicates chain wear at 0.5% 0.75% and 1.0% aligning with manufacturer recommendations for replacement
Shipping options are available for most apparel and accessory items. We make every effort to ship orders quickly, but some orders may take additional time for packaging, or order review. We will contact you when your order has shipped.
Due to our dealer agreements, some bikes may not be eligible for shipping.
Shipping & Pickup Fees
• For orders under $75:
– Standard Shipping & Handling: $14.95
– In-Store Pickup: Free
• For orders of $75 or more:
– Standard Shipping & Handling: Free
– In-Store Pickup: Free
Please note that some items may be subject to additional shipping and handling charges because of size or weight.
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