Inspired by our GT Retro version this is a cold rolled steel model. It features polished chrome steel spokes with a ?centered slot" design on each spoke. We polish the edges, back and sides of each spoke for a brilliant shine. Our grip features the ?original vintage recipe", authentic rich thick foam formula for the most comfortable cushion grip on the market! Providing the look, feel, and vibe of the classic wheels of yesteryear. Shown with optional #11-1522 horn button (sold separately) which features our ?Sure-Lock" O-ring design that ensures the horn button does not "pop off" in the middle of the night! This wheel has a three bolt mounting pattern and can be used with any of the GT3 bolt installation hubs and GT3 horn buttons. 15" Diameter, 4.125" Dish. This wheel has a three bolt mounting pattern and is interchangeable with any standard three bolt hub or horn button.