Double Six Singlespeed Converter - 16T. The Double Six single speed kit is a premium level kit featuring a 7mm wide spline base Shimano HG fit cog to ensure power transfer doesn't score or destroy alloy freehub bodies. The tapered spacers are designed to offer increased lateral support for the cog under load. This kit is supplied with.16t CNC Chromo 5/64'' cog. 2x CNC alloy spacers with laser etching. Different thicknesses for chain line adjustment. Shimano HG chains compatible only. The item "Gussett Double-6 Singlespeed SS Converter Kit including 16T Sprocket Black" is in sale since Tuesday, July 28, 2020. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Cassettes, Freewheels & Cogs". The seller is "sdj-sports" and is located in Sawtry. This item can be shipped to United Kingdom.