{"product_id":"rk-520-mxz4-non-o-ring-chain-120-links","title":"RK 520 MXZ4 Non O-Ring Chain, 120 Links","description":"\u003cp class=\"gara-lead-line\"\u003eShips from our supplier in 2-3 business days, at your door in about a week. \u003c\/p\u003e\u003cp\u003eRK's MXZ4 is a non-sealed chain made for supercross and motocross racing. It uses chromoly steel construction with seamless rollers and bushings; RK's chromized pins improve wear resistance more than twofold over normal non-sealed chains while absorbing the shock loads of extreme jumps, and every component is heat treated with RK's HIT process.\u003c\/p\u003e\u003cp\u003eRK does not recommend it for street use.\u003c\/p\u003e\u003cp\u003eRK rates the 520 MXZ4 for professional level 125 cc to 500 cc class racing. RK's own site now lists it as superseded by the MXZ5; this is the MXZ4 as stocked.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTensile strength 8,000 lb (RK)\u003c\/li\u003e\n\u003cli\u003eRK's engine-size rating: up to 500 cc off-road\u003c\/li\u003e\n\u003cli\u003eSeal: Non-Sealed\u003c\/li\u003e\n\u003cli\u003eMaster link included: Clip\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003ePart number 520MXZ4BK 120\u003c\/li\u003e\n\u003cli\u003e120 links as supplied; the chain is cut to the link count your bike takes\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eMade by RK, Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RK Chain","offers":[{"title":"Black","offer_id":68082088509594,"sku":"520MXZ4BK 120","price":111.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/6166\/7738\/files\/RK-BLACK_01_9521e617-825a-4c39-bf72-f048e081083c.jpg?v=1794042717","url":"https:\/\/garamoto.com\/products\/rk-520-mxz4-non-o-ring-chain-120-links","provider":"GARA","version":"1.0","type":"link"}