EK Chain 530 ZVX3 NX-Ring Chain - 150 Links - Metallic Red , Chain Type: 530, Chain Length: 150, Chain Application: Street, Color: Red EK 530ZVX3 X 150 MET RD TheZVX3 series easily surpasses every other brand with a tensile strength of 11,100lbs. Adopted new ZX-ring and last 15% longer than ZVX series stiffness and weight (4.85/100lbs.) For up to 1200cc Tensile strength: 9,400lbs.