The Niche M249 Gamma chrome wheel is available in 18x8, 20x9and 22x9 sizes. The Niche M249 is designed for 5-lug passenger car vehicles. The Niche Gamma is compatible with BMW and Mercedes Benz center caps. Free shipping on Niche M249 wheels. Free lugs and locks included with the purchase of a set of 4 Niche M249 Gamma chrome custom wheels.