XD Rockstar Offroad wheels from KMC - XD Series Wheels for Serious Offroad Truck wheel enthusiasts. The Rockstar comes in seven different sizes, from 18x9 to 24x12 for the super wide, offroad look you demand. XD Series Wheels will give you the look of a CORR truck on the street, so you'll never need to use your horn again in traffic. The Rockstar is a thick five spoke wheel with a pair of chrome rivits between each spoke to break up the space between the spokes, and comes in a wide range of fitments for almost any truck.