Silver Spokes.  Black Grip.  11.5" diameter.  All Formula 1, Formula GT, Formula 4 and F/X Steering Wheels DO NOT include center cap.   A steering wheel Adapter is required for installation.  Any of our installation adapter kits will work with these steering wheels.  When you purchase the Black Standard Install kit a center cap is included.  However, if you are ordering the Billet Install kit or the steering wheel only you may purchase an individual center cap.  Center cap part is SWC5898 (GT center cap w/horn button).