DID Premium X-Ring 520 Chain 520 chain for most 125cc-250cc dirt bike applications Special x-rings reduce friction by 50% $139.95 132.95
DID Super Non O-Ring 420/428 NZ Chain Highest quality of non o-ring chain in overall performance Average tensile stregth is: 420 - 4,780 lbs and 428 - 5,740 $38.28 36.37
DID Super Non O-Ring 520 NZ Chain Highest quality of non o-ring chain in overall performance Average tensile stregth is 8,220 lbs. $64.05 60.85