EIGHTHINCH CNC TRACK FIXIE FIXED GEAR COG 1/8" 19T 19 TOOTH
Eighth-Inch brand Track CogExceptional quality- CNC Steel with ED treatment19 tooth cog1/8" widthCNC Steel- not cheap stamped steelThese cogs don't strip like a lot of the others you see on ebay Check our other listings for more sizes ED (electric dip) treatment is a very expensive process which colors steel to produce? a mirror like finish