{"product_id":"rk-rkm02ps42","title":"RKM02PS 42T Sprocket High Carbon Steel OZ ENKEI","description":"[RK RKM02PS 42T Sprocket Sprocket High Carbon Steel OZ ENKEI]\u003cbr\u003e\n Number of Teeth: 42\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 chain, it achieved excellent durability, recording 20 hours in the most rigorous test (Suzuka 8 Hours mode).\u003cbr\u003e\n ・In durability tests under full throttle air-cooled\/oil-cooled 1200cc mode, when the chain started to show wear, the H.C.S sprocket only showed signs of surface wear.\u003cbr\u003e\n ・Ideal for addressing the biggest problem with 520 conversions: \"excessive wear of aluminum alloy sprockets.\"\u003cbr\u003e\n ・The teeth are induction hardened and adjusted to the same hardness as RK chain rollers. Performance is optimized 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. Product designs and specifications are subject to change without notice. Thank you for your understanding.","brand":"アールケー(RK TAKASAGO CHAIN)","offers":[{"title":"Default Title","offer_id":45691821195499,"sku":"rk-rkm02ps42","price":8708.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/rogo_b3c3d38a-a26e-494e-a19e-23124c7c2437.jpg?v=1722518257","url":"https:\/\/bikeman.jp\/en\/products\/rk-rkm02ps42","provider":"バイクマン","version":"1.0","type":"link"}