White Industries Fixed Cogs 16t 1/8″ Review Posted by Pelicandy November 3, 2018 in Drivetrain Components White Industries splined fixed gear cogs are made out of 8620 case hardened steel. The cog is designed to be used with a standard English 1.29 x 24 tpi threaded lock ring. Made in USA. Random Products SHIMANO Tourney 7Spd 14-28T Freewheel Review Enduro 6806 2Rs Cartridge, Id=30 Od=42 W=7 Review Deda Dog Fang Bicycle Chain Keeper Review Origin8 Single Speed Cog Review Cycling Outdoor Recreation Parts & Components Sports & Outdoors White Industries