Patent ID: 7819216

Claim:
A motorcycle conversion assembly for converting a two-wheeled cycle having a front and a rear wheel to a four-wheeled cycle comprising; A pair of sub-frame structures, laterally extending, as an addition, from an original motorcycle frame on both the left and right sides of the motorcycle frame, said sub-frames having a front section, a middle section and a rear section; said sub-frame structures rigidly secured to the motorcycle frame at two or more locations; a pair of trailing arms structures consisting of a right and left structure extending aft of the motorcycle on both a right side and a left side of the rear wheel with both trailing arm structures having a first and second end and said second ends extending just beyond the rear wheel of the motorcycle and said first ends pivotally mounted to said middle sections of said sub-frame structures; a connection structure joining said second ends of said trailing structures to form a cavity in which the rear wheel of the motorcycle resides; a pair of wheel hub assemblies, each being independently and rotatably attached near said second end of said trailing arm structure, and extending outwardly from said trailing arms; one or more shock absorber assemblies operatively connecting said trailing arm assemblies to said rear sections of said sub-frame structures; a pair of stabilizer rods, pivotally securing each of said trailing arm structures to the original motorcycle frame.