The chrome nerf bumper adds both protection and a classic look to the back of the Motor Trike® Spyder 2 Plus 2. This bumper is constructed of 1 ½ inch steel tubing with capped ends. It is fully polished and chrome plated. Functionally, the bar bolts directly to the trike's frame. Measurements from end cap to end cap is about 38 ¼ inches and the horizontal measurement before the curve at each end is about 27 inches. Single.