Soma 15T Cog Track Review Posted on August 19, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Outdoor Recreation, Parts & Components, Soma, Sports & Outdoors This fits your . Make sure this fits by entering your model number. 1.37×24 threading CNC-machined from hardened chromoly Not stamped out