Locally owned and operated America's Motor Sports Rivergate (formerly Castle Powersports), in Madison, TN, is the area's leading powersports sales and service specialist. Serving the greater Nashville area since 1989, we offer motorcycles, side by sides (UTVs), ATVs, personal watercraft, scooters, parts, sales, service and more. For all your motorsports needs, contact America's Motor Sports Rivergate in Madison.