F1 Cup Plus Inspired from the successful Formula One, IndyCar, and Touring Car race wheels, the F1 family of road wheels share their lineage with some of the most successful wheels in automotive racing. All designs are crafted with the utmost attention to detail at the O.Z. factory in Italy. The F1 plus is available in a beautiful silver painted finish with a polished channel, and grey lettering featuring the legendary O.Z. Racing name. The center of the F1 Plus is adorned with a meticulously sculpted cover plate featuring a racing derived center locking nut. The F1 Plus design is available in diameters ranging from 15" to 18" with widths ranging from 7 to 10 inches, and is available for a wide variety of vehicle applications.