Chains › CHAIN ZVX3 NX-RING 520-120L BLU Image 1 of 1 CHAIN ZVX3 NX-RING 520-120L BLU $215.95 Ultra strong: ZVX3 series chains easily surpass every other brand with a tensile strength of 11,100lbs.New NX-ring lasts 15% longer than ZVX seriesMinimizing the clearance between the plates for improved stiffness and weight Quantity: Purchase Added! Ultra strong: ZVX3 series chains easily surpass every other brand with a tensile strength of 11,100lbs.New NX-ring lasts 15% longer than ZVX seriesMinimizing the clearance between the plates for improved stiffness and weight