{"product_id":"park-tool-cc-4-2-chain-checker-tool","title":"Park Tool CC-4.2 Chain Checker Tool","description":"\u003cp\u003eA 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.\u003c\/p\u003e\n\u003cul class=\"bullet-points bullet-points-collapsed\"\u003e\n\u003cli class=\"model-bullet\"\u003eMeasures bicycle chain wear accurately, preventing expensive drivetrain damage\u003c\/li\u003e\n\u003cli class=\"model-bullet\"\u003eLaser-cut design contacts the chain at three points, providing quick and precise wear measurement\u003c\/li\u003e\n\u003cli class=\"model-bullet\"\u003eCompatible with 5 to 13-speed derailleur chains and single-speed chains\u003c\/li\u003e\n\u003cli class=\"model-bullet\"\u003eIndicates chain wear at 0.5%, 0.75%, and 1.0%, aligning with manufacturer recommendations for replacement\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Park Tool","offers":[{"title":"Default Title","offer_id":47762998231284,"sku":"CC-4.2","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1069\/3876\/files\/Screenshot2026-02-27at2.39.34PM.png?v=1772232003","url":"https:\/\/bikes-n-riders.com\/products\/park-tool-cc-4-2-chain-checker-tool","provider":"Bikes \u0026 Riders","version":"1.0","type":"link"}