Turner's standard non-sealed chains are manufactured to meet or exceed strict quality control requirements. Almost any small motorcycle can now benefit from Turner's race-proven product line. Special steel alloy, solid roller and pre-stretched, shot-peened parts. Average tensile strength of 4,300 pounds. Wear life index: 100. Maximum engine size of 80cc street / 80cc off-road. Weight (per 100 links): 1.59 pounds. Includes clip-style master link. Note: Non-sealed chains require more regular maintenance than sealed (O-ring, X-ring) versions.