Golf Carts Steering Wheel - Aviator 4, 13" Diameter (Black Grip/Brushed Aluminum Spokes) RHOX 13" Diameter Custom Steering Wheel. Style: Aviator 4. Color: Black Grip with Brushed Aluminum Spokes. Easy installation on E-Z-Go, Club Car and Yamaha with Custom Adapter (sold separately). Horn button is for aesthetic purposes only.