Contact ORW they have a hub for the RZR that allows you to use a Rhino wheel or a RZR wheel. They are called Fastco hubs. RJ Anderson runs them on his race car. Tell them you want the UTVUNDERGROUND member discount.as soon as these wheel adapters get built u will. youll have compound choices, width choices, tread pattern choices. itll be awesome, oh no more knobbies.