My only question would be....WHY?
Well...in the bicycle world, some of us have built frame/fork/wheel combos that allow running a rear wheel (complete w/ freehub and cassette or fixed cog) up front. This so that if your hub won't engage - say, in extremely cold weather - you simply swap the wheels end-for-end and continue on your way.
In the context of the Valkyrie, I can see someone imitating Russell Mitchell's (Exile Cycles) "Fat Bloke":
