EK Chain 525MVXZ 130 Link Chain EK&rsquo;s MVXZ Quadra-X Ring chain is the ideal O.E. replacement chain for any 600 to 1000cc street bike Features like lightening holes in the sideplates, large-diameter pins, and friction-reducing Quadra-X Ring help ensure high-performance and from1-1/2 to 2 times increased wear life when compared to a standard O-Ring chain Available in the following colors: Gold, Chrome, Metallic Blue, Metallic Red, Metallic Green