The Mayhem Monstir Dually 8101 chrome wheel is available in 17x6.5, 19.5x6.75, 20x8.25 and 22x8.25 sizes. The Mayhem 8101 Monstir Dually is available for dually truck applications only. Free shipping on Mayhem custom wheels. Free lug kit included with the purchase of a set of 4 Mayhem 8101 Monstir Dually gloss black milled custom wheels. These are special mag lugs provided by the manufacturer. Wheels do not accept any other type of lugs. Part numbers ending in F are fronts, part numbers ending in R are outer rears and part numbers ending in I are inner rears.