Addictive Desert Designs Univeral Tire Carrier Model T99918NA01NAAddictive Desert Designs Universal Tire Carrier Model T99918NA01NA With modified trucks, placing a full size spare in the OEM location is sometimes impossible. Addictive Desert Designs has designed a universal tire carrier that will fit most modern truck beds. It is sized for up to a 40" tall and 14" wide tire. These dimensions are true measurements (actual measured height width may vary slightly from tire manufacturers advertised height width). The