I used the 400TV, the DuBro treaded wheels. A perfect fit and they look nice. I'm not sure if the width of the untreaded tire is the same, but if it is, then I guess it would be a personal preference thing. I think Robart sells a diamond treaded tire, I meant to look into buying it since it has more of a stearman look to it, but I forgot and bought the Dubro instead. If I didn't use the wheel pants though, I would definately check out the Robart diamond wheels.