Roc N Gate 4-bike Carries up to 4 bikes with new adjustable, padded Rattler Strap cradle. Solidly fits a 2 receiver hitch with no tools QuickHitch installation. Integrated bike frame stability. Quick and easy vehicle access with Yakima proprietary swing away mast. Full system security with theft resistant StrataLock system that locks your bikes to the mount and the mount to your receiver; included.