SRAM Alloy Road Bicycle Chainring – 110mm BCD – 50T Review Posted on July 19, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Outdoor Recreation, Parts & Components, Sports & Outdoors, SRAM Lightweight alloy chainrings Replacement 50T chainring Lightweight alloy chainrings. Replacement 50T chainring