{"product_id":"rk-gc420mxu90","title":"Drive Chain 90 Links Racing Gold","description":"【RK GC420MXU-90 Drive Chain 90 Links Racing Gold Motorcycle Chain】\u003cbr\u003e\n Color: Racing Gold\u003cbr\u003e\n Number of Links: 90\u003cbr\u003e\n Compatible Displacement: 50-150cc\u003cbr\u003e\n ・Achieves both outstanding durability and lightweight design\u003cbr\u003e\n ・Maintains strength while achieving a lightweight design equivalent to that of a non-sealed chain.\u003cbr\u003e\n ・More than double the durability compared to typical off-road racing non-sealed chains. The minimal elongation contributes to reduced chain \u0026 sprocket costs and greater freedom in rear axle settings.\u003cbr\u003e\n ・For 420\/428 sizes, this is the only sealed chain for off-road racing. Experience the difference compared to non-sealed chains.\u003cbr\u003e\n ・Employs a uniquely developed thin, high-performance seal ring. By thoroughly lubricating the area around the pins where most friction occurs during chain movement, it achieves noticeably low friction and suppressed elongation.\u003cbr\u003e\n ・Sealed chains have more than double the durability of non-sealed chains. This not only reduces the cost of the chain itself but also helps to keep sprocket costs down.\u003cbr\u003e\n *Images are for illustration purposes only. The design and specifications of the products shown may change without notice. Thank you for your understanding.","brand":"アールケー(RK TAKASAGO CHAIN)","offers":[{"title":"Default Title","offer_id":45691757330667,"sku":"rk-gc420mxu90","price":4252.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/rogo_d1d817e5-ca00-4d9e-817d-9ffa7579e9fd.jpg?v=1722516936","url":"https:\/\/bikeman.jp\/en\/products\/rk-gc420mxu90","provider":"バイクマン","version":"1.0","type":"link"}