RKs flagship model; the ZXW Series were developed to meet the specifications of the latest models of extreme superbike 1000cc and above. They feature MotoGP and FIM 8-Hour Endurance technology and has proven its superiority by winning 35 first place finishes out of 39 races at the FIM Suzuka 8-Hour Endurance Race. They are designed to be the strongest, long-lasting premium quality XW-Ring equipped chain available on todays market, with highest tensile strength of RK series and high rigidity for instant respond on acceleration. RKs ZXW series chains are ideal for high-speed, high-horsepower performance applications, large displacement and extended swingarm machines in race or street use.\n\nXW-Ring seals provides three contact lips and two lubrication pools to protect against dirt and debris, high-speed abrasion, heat buildup and the loss of lubricant under extreme conditions. Thats a fancy way of saying XW-Ring seals make your chain last longer. When RK develops a chain with a combined heritage of both drag racing and extreme endurance racing, riders can rest assure that theyre getting the best of both racing worlds.\n\n Tensile strength: 11,200 lbs\n Max cc rating: 1,400cc\n Max horsepower: 220 HP\n Wear Life index: 4,200\n Master link Included: Rivet type
