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
Bicycle map quickly supplanted most travel by bicycle and bike maps, like the bicycle itself largely stagnated for several decades. The 1970s bike boom led to the creation once again of cycling maps for the general public, but in the meantime, the nature of most cycling trips had shifted rather dramatically as cities were being reorganized around cars. Many maps of this period emphasised the recreational dimension of cycling, highlighting recreational routes and a limited range of off-street trails. Today, many cities or local advocacy groups produce bicycle maps. Often this still takes the form of a full-size paper map, but increasingly,