CNC machined threaded steel track cogs or lockring, both with chrome-plated finish . Cogs: 1.37″x24tpi (right handed) threads, 1/2″ x 3/32″ teeth (OK for 9sp chain) . Lockring (GU1799): 1.29″x24tpi (left handed) threads, 4-notch tool fitting (sold separately)Item Specifications: Chain, 3/32″, Description, Threaded Track Cog (RH Thread), Hub Type, 1.37″x24tpi, Teeth, 13, Color, Chrome, Model Name, 332 Fixed,.
