EK Chain 520 Mxr3D Chain EK's 3D series chains offer a perfect combination of durability and intricacy, catering to dirt bike enthusiasts who demand the best in shape, flexibility, and strength from their chains. Features: Lightening holes for weight reduction without compromising strength Reduced friction Chromium carbide pin End-facing plates for wear resistant performance against mud Max engine capacity: 500cc Tensile strength: 8650 lbs. Clip type master link