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
Gazelle (bicycle company) collectors item. During this period, Gazelle was to use the Piet Pelle cartoon character throughout many advertising campaigns. This video from 1925 shows the Gazelle factory and production techniques. Developments include a collapsible delivery bicycle in 1930 and a tandem bicycle introduced in 1935. An electric bicycle was produced in 1937 together with Philips. In 1954 Gazelle became a public company and built its millionth bicycle. In 1959, Gazelle patented the first 3-Speed grip shift gear system. Gazelle was the first Dutch bicycle manufacturer to introduce the "Kwikstep" folding bicycle in 1964. The front-hub drum brake was developed in 1968