Nova Monobloc *18" wheel pictured. *17" version has same spoke and center design but not the same deep channel. The Nova Monobloc is engineered to enhance the style and performance of today's luxury and high performance street vehicles. A one-piece version of the O.Z. Nova Modular, the 17" Nova is manufactured for a select group of high performance vehicles. The 18" version features a striking deep polished lip, and is sold exclusively to BMW 5, 7 and 8 series vehicles. All models feature a sporty open-lug configuration, in O.Z.'s exclusive satin silver paint finish.