Professional Motocross Chain for MX/SX

RK 520MXZ5 applies the HCR Pin and special alloy steel for component making, resulting in a tensile strength as high as 35.6[kN] with weight as light as 13.9[g/Link].
HCR Treatment (High Tech Chromium Carbide Layered Pins) which
drastically improves the wear resistance of the Pin while absorbing shock loads from extreme jumps.