Single speed specific.
Niner’s Cogalicious single speed cog is designed to fit Shimano freehub bodies. With a wide base, these cogs will prevents marring of the body under the high loads of single speed riding. The base is also offset to allow the fine tuning of chain lines.
The Niner Cogalicious is available in six sizes from 17 to 22 teeth in order to fit different gearing preferences.