15" Aluminum 5 Spoke (Star) wheel mounted with a brand new ST225/75R15 8 Ply trailer tire. The exact size of the wheel is 15" x 6" 6 lug on 5.5" bolt pattern. The brand name of the tire is Freestar. It has a 8 Ply Rating which is Load Range D. It's Maximum Load is 2540 Lbs @ 65 psi. If ordering center caps the size you would need is 4.25 inches. ****WE CAN MOUNT ANY 15" TIRES ON ANY 15" WHEELS FREE OF CHARGE SO IF THERE IS A COMBINATION THAT YOU WOULD LIKE THAT YOU DON'T SEE LISTED PLEASE JUST GIVE US A CALL (208)650-4545****