12, 13, 14, 15, 16, 17, 18 or 19T. HG type spline compatible.
Gusset DoubleSix SS Sprocket
Gusset Fixed Track Cog 3/32" – 1.37" x 24TPI Threaded Sprocket Fixie/SS/Track
Gusset Bachelor SS Tensioner
Gusset 1-ER SS Single Speed 16t 18t Cogs Conversion Kit
Gusset 1-ER Double Six SS Single Speed 12T Conversion Kit
Gusset 1-ER Micro SS Single Speed 12t and 13t Conversion Kit