Origin8 Alloy Blade Chainrings, Silver Review Posted on July 23, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Origin8, Outdoor Recreation, Parts & Components, Sports & Outdoors 6061-T6 alloy construction 8 and 9-speed compatible Silver anodized finish CNC Made in the U.S.A. Origin8 Alloy Blade Chainrings in various sizes