{"product_id":"rk-428-mxz1-mini-racing-drive-chain-134-links-natural-finish-part-number-428mxz1-134","title":"RK 428 MXZ1 Mini Racing Drive Chain, 134 Links, Natural Finish, Part Number 428MXZ1-134","description":"428 MXZ1 - Drive Chain - 134 Links - Natural\n\u003cp\u003eThe RK 428 MXZ1 is a heavy-duty mini racing drive chain engineered for mini motocross and supercross applications. With 134 links and a natural finish, this chain is designed to provide dependable power transfer and durability in demanding racing environments. The 428-size chain is suitable for compatible mini MX and SX motorcycles requiring the RK MXZ1 specification.\u003c\/p\u003e\u003cp\u003eConstructed from Chromoly steel, the RK 428 MXZ1 features seamless rollers and bushings to support smooth chain articulation and consistent operation. Oversized special-alloy pins provide added strength for high-load racing conditions, helping the chain withstand the repeated acceleration, impacts, and drivetrain stress associated with competitive off-road riding.\u003c\/p\u003e\u003cp\u003eBefore installation, verify that your motorcycle’s chain size, required link count, sprocket configuration, and manufacturer fitment specifications match this application. The RK 428 MXZ1 drive chain is supplied in a 134-link configuration and is identified by manufacturer part number 428MXZ1-134, also used as the vendor part number.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Designed for mini motocross and supercross racing motorcycles\u003c\/li\u003e\n\u003cli\u003eChain Size: 428-size drive chain for compatible mini MX and SX applications\u003c\/li\u003e\n\u003cli\u003eLink Count: 134 links for fitment with matching sprocket and drivetrain configurations\u003c\/li\u003e\n\u003cli\u003eConstruction: Heavy-duty Chromoly steel construction for demanding racing use\u003c\/li\u003e\n\u003cli\u003eRollers and Bushings: Seamless design supports smooth operation and consistent articulation\u003c\/li\u003e\n\u003cli\u003ePins: Oversized special-alloy pins provide added strength under high drivetrain loads\u003c\/li\u003e\n\u003cli\u003eBrand: RK\u003c\/li\u003e\n\u003cli\u003eModel: 428 MXZ1\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 428MXZ1-134\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 428MXZ1-134\u003c\/li\u003e\n\u003cli\u003eFinish: Natural\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RK","offers":[{"title":"Default Title","offer_id":67549064331499,"sku":"12210470","price":65.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/2751978.png?v=1790686954","url":"https:\/\/ctracingservices.com\/products\/rk-428-mxz1-mini-racing-drive-chain-134-links-natural-finish-part-number-428mxz1-134","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}