Chains › CHAIN ZVX3 NX-RING 525-160L BLK CHAIN ZVX3 NX-RING 525-160L BLK $323.95 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