Reverse Single Speed Cog, 17t
CrMo cog with 7mm thick Hyperglide-spline, 1.8mm tooth thickness. Extra wide flange prevents cog from deforming freehub body splinesItem Specifications: Chain, 3/32″, Description, CrMo Cog, Hub Type, HG (8-11sp), Teeth, 17, Color, Silver, Model Name, SS Cog,.