D.I.D. ER Series 415 / 50cc Race Chain

D.I.D. Chain is used by the factory race teamsof the big fourand is the No.1 chain manufactured in the world. Designed exclusively for motorcycle racing, this high performance, light weight chain provides the winning edge in World Class Competition. Solid rollers. Shot peened parts. High cylindrical and roundness accuracy. Exacting tolerances provide low friction. Pre-stretched, extended, riveted bushing "Anti-Kink" design. Special alloy steel.