D.I.D PROFESSIONAL SERIES O-RING
High performance value of O-ring chain. 525V O-RING CHAIN. Ideal for street bikes up to 750cc. Average tensile strength of 8,010 pounds. 530V O-RING CHAIN. Average tensile strength of 9,600 pounds. 630V O-RING CHAIN. Average tensile strength of 11,000 pounds.

