520 Pitch 76 Links Gold O-Ring Chain for Polaris 250 Trail Blazer 2002-2003 Brand New 520 Pitch 76 Links chain with master link . Tensile strength of 9850 pounds Top quality of the line roller chains Offer allowable working loads that can provide extra load carrying capability and deliver Solid rollers and bushings rovide great strength and durability under all riding condition The O-Ring lubrication system keeps it properly lubricated and prevents premature elongation and contaminants out of the pin/bushing joint