Abstract: A parcel rack for use on a vehicle such as a bicycle includes a frame structure defining a planar area for supporting parcels and the like. The frame structure has at a first end thereof attaching structure to attach the frame structure to the frame of a vehicle. A bracing structure is provided to brace the frame structure with respect to the vehicle frame. Attachment units removably connect the bracing structure to an end of the frame structure spaced from the first end thereof. The attachment units enable the bracing structure to be removed from the frame structure and to be fixed thereto at a varying positions with respect thereto and to extend in varying directions therefrom.