EK Chain 530 ZVX3 Series ZX-Ring Chain - 120 Links - Purple 530ZVX3-120APUltra strong: ZVX3 series chains easily surpass every other brand with a tensile strength of 11,100lbs. New ZX ring lasts 15% longer than ZVX series Minimizing the clearance between the plates for improved stiffness and weight Available in metalic colors and natural finish Tensile Strength of 9400lbs. for 520 Chains Tensile Strength of 10,300lbs. for 525 Chains Tensile Strength of 11,100lbs. for 530 Chains