{"product_id":"rk-m420-standard-motorcycle-chain-72-links-part-number-m420-72","title":"RK M420 Standard Motorcycle Chain, 72 Links, Part Number M420-72","description":"M420 - Standard Chain - 72 Links\n\u003cp\u003eThe RK M420 Standard Chain is a dependable replacement drive chain for compatible motorcycles, minibikes, and powersports applications that use a 420 chain size. This 72-link chain is manufactured by RK and identified by manufacturer and vendor part number M420-72, making it easy to match with the correct replacement specification.\u003c\/p\u003e\u003cp\u003eBuilt from heat-treated medium carbon alloy steel, the RK M420-72 is designed to provide reliable strength and service life in demanding chain-drive systems. All components are heat-treated and shot-peened to improve durability and resistance to operational stress. Four-point pin riveting helps support secure assembly, while solid rollers promote consistent engagement with compatible sprockets.\u003c\/p\u003e\u003cp\u003eFeature: The chain includes a clip connecting link for installation and maintenance convenience. Before installation, verify that your vehicle requires a 420-size chain and confirm the original chain length or sprocket setup matches 72 links. Proper fitment depends on the motorcycle or powersports model, year, sprocket configuration, and manufacturer specifications. The RK M420 Standard Chain should be installed with compatible 420 sprockets and adjusted according to the vehicle manufacturer’s service instructions.\u003c\/p\u003e\u003cp\u003eManufactured by RK, the M420-72 combines practical construction and straightforward serviceability for riders, repair shops, and powersports maintenance applications. Always inspect the chain, connecting link, and sprockets during installation, and replace worn components as needed for proper drivetrain operation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e420 chain size with 72 links for compatible motorcycle and powersports applications\u003c\/li\u003e\n\u003cli\u003eHeat-treated medium carbon alloy steel construction for dependable strength\u003c\/li\u003e\n\u003cli\u003eAll components heat-treated and shot-peened for improved durability\u003c\/li\u003e\n\u003cli\u003eFour-point pin riveting supports secure, consistent chain assembly\u003c\/li\u003e\n\u003cli\u003eSolid rollers promote reliable engagement with compatible sprockets\u003c\/li\u003e\n\u003cli\u003eIncludes a clip connecting link for convenient installation and service\u003c\/li\u003e\n\u003cli\u003eBrand: RK\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: M420-72\u003c\/li\u003e\n\u003cli\u003eVendor part number: M420-72\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RK","offers":[{"title":"Default Title","offer_id":67547188887787,"sku":"12200391","price":13.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/38484.png?v=1790676975","url":"https:\/\/ctracingservices.com\/products\/rk-m420-standard-motorcycle-chain-72-links-part-number-m420-72","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}