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
Schwinn Bicycle Company BMX racing team made up of some of the best riders in the day. They were even used for an episode of the TV show CHiPs. By the late 1970s, a new bicycle sport begun by enthusiasts in Northern California had grown into a new type of all-terrain bicycle, the mountain bike. Originally based on Schwinn balloon-tired cruiser bicycles fitted with derailleur gears, called "Klunkers", a few participants had begun designing and building small numbers of mountain bikes with frames made out of modern butted chrome-molybdenum alloy steel. When the sport's original inventors demonstrated their new frame design, Schwinn marketing