Wheelie bike of motorcycles customized in the Bobber or Chopper style. Inspired, he designed a mass-production bike for the youth market as "Project J-38", and the result was introduced to the public as the Schwinn "Sting-Ray" in 1963. Sales were initially slow, but eventually took off. By 1965, several other American and foreign manufacturers were offering their own version of the Sting-Ray. BMX bikes began to supersede wheelie bikes in the 1970s, though Schwinn continued to offer them until 1982 and Raleigh until 1984. Original wheelie bikes are popular collectors' items now, and some manufacturers have reintroduced updated versions. The seating position
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