Saris Freedom SuperClamp 4 Bike Rack Carries up to 4 bikes of any type Built with 100% recyclable, non-rusting materials Tilting feature allows access to rear of vehicle This rack fits a wheelbase up to 48 inch right out of the box. Standard scoop max tire width- 2.25 inch Carries up to 4 bikes of any type Most stable no frame contact tray rack available Tilting feature allows access to rear of vehicle Ratcheting arms pivot on case hardened brackets for superior strength