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
Electric bicycle complicated but numerous 'replace a wheel' solutions are now available on the market. An Electric Pusher Trailer is an e-bike design which incorporates a motor and battery into a trailer that pushes any bicycle. One such trailer is the two-wheeled Ridekick. Other, rarer designs include that of a 'chopper' styled e-bike, which are designed as more of a 'fun' or 'novelty' e-bike than as a purposeful mobility aid or mode of transport. Electric cargo bikes allow the rider to carry large, heavy items which would be difficult to transport without electric power supplementing the human power input. Various designs (including