SS version of a FG setup, considering ease/less expense of cog swapping, especially Miche hubs, with their proprietary splined hub/cog interface. Actually kinda surprised no one's making a fixed hub that accepts Shimano/SRAM splined cogs. (Someone prove me wrong, in 3... 2... 1..).

Seems like a solution to a problem no one has.

But whatevs: Profile say they had requests and it requred minimum tooling, so why not...?