Wheelie bike speedometers, windshields, hand grip streamers, headlights, taller sissy bars, axle spinners, and back rests such as shown on this bicycle: The Raleigh Chopper was the best selling children's bicycle in the UK. The wheelie bike fad drove bicycle sales to over 4 million units in the US, and accounted for 75% of total US bicycle sales in 1968, but it also helped contribute to the impression in the US that bicycles are merely children's toys. Dangerous features, such as shifters mounted on the top tube, were banned in the US in 1974. The wheelie bike fad even attracted the attention
Raleigh Chopper to a T-bar-style shifter. (The early 1969 'Tall frame' model already sported the T-bar style, albeit in black with the elliptical window within the shifter cover.) The frame was subtly revised, and the seat moved forward, to help prevent the front of the bicycle tipping up. A small rear rack was added. The handlebars were welded to the stem to stop children from inclining the "ape hanger" bars backward, thereby rendering the bicycle almost unsteerable. A drop-handlebar version, the Sprint, was also produced, this differed from the standard Mk 2, as it had a slightly taller frame. The Chopper Mk