U-Bolt Spare Tire Carrier Holder Bracket Side Mount 4 or 5 Lug Zinc Plated. This heavy duty trailer spare tire holder bracket is an easy and simple solution to storing your spare tire. Fits trailer frames up to 2" or 3" wide (and up to 4" tall) and fits tires up to 15". Easily mounts through the wheel and around the trailer frame and secures with the included lug nuts. Made of heavy duty steel and coated for corrosion resistance; this bracket is made to last and covered by a 1 year, no hassle warranty.