Raleigh Bicycle Company introduced in 1973 and only available in a bizarre shade of pink. This model was discontinued in 1976. The Mk 2 had a shorter seat and the frame modified to move the rear of the seat forward, this helped prevent the bike tipping up. The shorter seat also made it harder to ride '2 up' (2 people on the bike at a time). The "Chopper" remained in production until 1982, when the rising popularity of the BMX bicycle caused sales to drop off. Raleigh revisited the chopper design in recent times, with great success although the new version has had
History of the bicycle systems. In recent years, bicycle designs have trended towards increased specialization, as the number of casual, recreational and commuter cyclists has grown. For these groups, the industry responded with the "hybrid" bicycle, sometimes marketed as a "city bike", "cross bike", or "commuter bike". Hybrid bicycles combine elements of road racing and mountain bikes, though the term is applied to a wide variety of bicycle types. Hybrid bicycles and commuter bicycles can range from fast and light racing-type bicycles with flat bars and other minimal concessions to casual use, to wider-tired bikes designed for primarily for comfort, load-carrying, and increased versatility