Silver. Direct replacement for H-D models with, convex glass for an extra wide field of view. A great mix design of classic style offering a modern look with industrial toughness. Die-cast aluminum construction with a machined stainless ball which is held in a nylon socket for a dependable hold with smooth adjustments. Mirror head dimensions approx. 3.5" (8.9cm) high x 5.5" (14cm) wide. Comes with 5/16-18 internal thread. Note: XG 500/750 Street requires adapters for installation.