The non-hub centric relies on an acorn lug nut to center them on the studs. You have to go slow and tighten them so that it actually can center it up and I would suggest torquing them to spec, 90 ft/lb I believe. I have non-centric and haven't had any vibration, but hub-centric is definitely the way to go there. They get there support from the center instead of the lug nuts only and are safer. Worth the money really.