I say keep the four-wheel design for the NC variant, but make it blocky, like a cube with wheels, and maybe add a couple prong-like things to mimic horns. Hot damn do I wish the Vanu had hoverbikes, though. I would legit go Vanu just for that.
That's cool idea, i played som VS and I liked to fight using magrider, becouse of its floating ability. It'd be great if they replace standard flash with something "blade" alike. It coud be fastest but not that maneuverable and also easiest to destroy.
The NC Bull looks the best, I'd really like something like that. VS Blade looks kind of crappy in my opinion and it seems like anyone could snap it in half with their hands The TR Flash looks pretty much the same as the default.