This fine vintage advertisement for a 1950 ad for Shelby Bicycles is in very good condition. It measures approx. 5 1/4 x 10 3/4 and is suitable for framing. This vintage magazine ad depicts a boy riding on the Cycle Logical which is Shelby's Model 4A with the Lern Cycle Rig. It teaches sidewalk riding quickly, makes a safe first ride.