Some manufactures void the warranty if a particular hub is built radial. Some (DT Swiss) market their front hubs as radial hubs.
But like I said, all the Miche Primato hubs (low or high flange) I've seen so far on sale build into the front wheels which are on sale are always radial.
But like I said, all the Miche Primato hubs (low or high flange) I've seen so far on sale build into the front wheels which are on sale are always radial.