Niche's Form M158 features a sleek 15-spoke design in a rarely seen bronze finish that makes this set of wheels even more classic and elegant. Niche Wheels utilizes a concave cast monoblock construction for that extraordinary "no-lip" design. Niche Form M158 is available in 19 and 20-inch wheel sizes. Get yours today at very low prices with free shipping. NOTE: These wheels are compatible with BMW & Mercedes Benz Caps.