{"product_id":"rk-rkm02ps37","title":"RKM02PS 37T Sprocket High-Carbon Steel OZ ENKEI","description":"[RK RKM02PS 37T Sprocket, High Carbon Steel, OZ ENKEI]\u003cbr\u003e\n Number of Teeth: 37\u003cbr\u003e\n Mounting Holes: 5\u003cbr\u003e\n Center Hole: 76mm\u003cbr\u003e\n PCD: 100mm\u003cbr\u003e\n ・Developed for 520 conversion, seeking more direct and lighter performance.\u003cbr\u003e\n ・When combined with RK 520X-XW chains, it recorded excellent durability of 20 hours in the most rigorous tests (Suzuka 8 Hours mode).\u003cbr\u003e\n ・In durability tests under full throttle air-cooled\/oil-cooled 1200cc mode, the H.C.S. sprocket only showed slight surface wear even when the chain began to deteriorate.\u003cbr\u003e\n ・Optimal solution for \"excessive wear of aluminum alloy sprockets,\" which was the biggest problem with 520 conversions.\u003cbr\u003e\n ・High-frequency induction hardening is applied to the teeth, adjusting their hardness to match that of RK chain rollers. Performance is maximized when combined with RK chains.\u003cbr\u003e\n Aftermarket wheels: OZ (NOBLEST), ENKEI, MARCHESINI (Type-A)\u003cbr\u003e\n *Images are for illustration purposes only. The design and specifications of the products shown may change without prior notice. Thank you for your understanding.","brand":"アールケー(RK TAKASAGO CHAIN)","offers":[{"title":"Default Title","offer_id":45691821883627,"sku":"rk-rkm02ps37","price":10136.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/rogo_890475b1-b343-4a29-b2eb-e427ee280b12.jpg?v=1722518272","url":"https:\/\/bikeman.jp\/en\/products\/rk-rkm02ps37","provider":"バイクマン","version":"1.0","type":"link"}