The invention is a frame for a bicycle or other two wheeled vehicle that utilizes convoluted curves in its structure providing function in utility and manufacture as described here with this disclosure, as well as ornamental form as described by the subject complementing disclosure by design patent application No. 29/243,986. The specific utility that is offered by this invention is a suspension quality inherent to the frame itself. The frame serves as a suspension system isolating the vehicle rider from the displacements of the vehicle wheels forced by the irregularities that may exist in a road over which the vehicle may travel. A specific quality of manufacture offered by this invention is a frame that avoids the necessity of tube and tube joints, and likewise an otherwise necessary welding or fusion of such tube joints.