Abstract: Rigid aerodynamic shells increase the aerodynamic shear efficiency of a bicycle ladened with luggage bags, luggage racks and/or luggage attached to the luggage racks. The aerodynamic shells substantially frontally surround or enclose the luggage bags, racks and luggage attached above the front and rear wheels of the bicycle. The shells are pivotably connected to the bicycle to provide access to the bags, racks and luggage. Contoured luggage bags for connection to the conventional luggage rack are provided to substantially conform to and occupy a majority of the interior space defined by the shells.