{"product_id":"rk-gc415hru120","title":"Drive Chain 120 Links Racing Gold","description":"[RK GC415HRU120 Drive Chain 120 Links Racing Gold Motorcycle Chain]\u003cbr\u003e\n Color: Racing Gold\u003cbr\u003e\n Number of Links: 120\u003cbr\u003e\n Compatible Engine Displacement:\u003cbr\u003e\n For Public Roads: 50-125cc (Cannot be converted from 428 size)\u003cbr\u003e\n For Race\/Endurance Race:\u003cbr\u003e\n ・2-Stroke: 125cc or less\u003cbr\u003e\n ・4-Stroke: 250cc or less (Single cylinder up to 300cc)\u003cbr\u003e\n Recommended Regulations: 50-125 Hobby Race, J-GP3\u003cbr\u003e\n ・Sports model for street use\u003cbr\u003e\n ・Polishing \u0026amp; plating treatment on inner and outer plates improves seal durability compared to the old model (GB415HRU)\u003cbr\u003e\n ・For vehicles that originally use 420 size, it can be used on public roads for up to 125cc. Converting to 415 size improves rear wheel output without sacrificing durability or tensile strength.\u003cbr\u003e\n ・Improved rear wheel output without sacrificing durability or tensile strength\u003cbr\u003e\n ・Achieved approximately 10% weight reduction compared to 420 standard chains (RK products).\u003cbr\u003e\n *A weight reduction of about 20-30% can be achieved for the entire drive system including sprockets.\u003cbr\u003e\n ・Achieved approximately 15% strength improvement compared to 420 standard chains (RK products).\u003cbr\u003e\n ・Achieved approximately 2-3 times the durability compared to 420 standard chains (RK products).\u003cbr\u003e\n *Chain maintenance frequency is reduced.\u003cbr\u003e\n *Conversion to 415 size is required for installation.\u003cbr\u003e\n *Not compatible with conversion from 428 size.\u003cbr\u003e\n *For endurance races with 250cc racers, please use GC520MRU or WG520TRU.\u003cbr\u003e\n *For race use, please check the category, etc.\u003cbr\u003e\n *Images are for illustration purposes only. Product design and specifications are subject to change without notice. Please understand.","brand":"アールケー(RK TAKASAGO CHAIN)","offers":[{"title":"Default Title","offer_id":45691758543083,"sku":"rk-gc415hru120","price":5922.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/rk-gc415hru120.jpg?v=1722516971","url":"https:\/\/bikeman.jp\/en\/products\/rk-gc415hru120","provider":"バイクマン","version":"1.0","type":"link"}