DHA pin treatment: Hard chromium-carbide layer formed on pin surface, Far better wear resistance than other chains, Up to 19% higher tensile strength, Increased antioxidation performance, Solid bushings, quad-rivet pins, With quad-stake riveted pins and solid bushings, you get great performance, strength, and chain life, Made for future champions, the 420NZ3 is the premium 420 sized Offroad racing chain, This is also a great option for smaller bikes such as the Honda Grom