The Method 409 has a patent pending Bead Grip technology engages tire bead for increased grip at low tire pressuresan. Aggressive safety hump on bead seats further prevents de-beading. Reinforced inner lip taken from MRW race wheel design. One-piece 356 aluminum construction with T6 heat treatment. 1600 lb load rating. Includes a snap in center cap as well as a limited lifetime warranty. (Depending on the machine your stock lug nuts may not work with this wheel. They MAY require a different style lug nut that we offer.