Raleigh Chopper rear wheel, featuring a red line around the sidewall. In 1969 the Raleigh Chopper was launched in the UK market this was a triple launch for Raleigh, with the Chopper branded as THE HoT oNE, alongside the Moulton Mk3 (The Smooth One), and the RSW Mk3 (The Dolly One). The Chopper bike was sold as a "must have" item and signifier of "coolness" for many children at the time. The Mk 2 ("Mark 2") Chopper was an improved version sold from 1972. It had the rarely-purchased option of five-speed derailleur gears, and the gear lever shifter changed from a knob
Bike boom Bike boom The term "bike boom" or "bicycle craze" refers to any of several specific historic periods marked by increased bicycle enthusiasm, popularity, and sales. Prominent examples include 1819 and 1868, as well as the decades of the 1890s and 1970s — the latter especially in North America and 2010s in the United Kingdom. The first period which may be called a bicycle craze actually refers to a precursor of the bicycle which was pushed along by the feet on the ground as in walking, and did not have pedals. This machine was invented by Baron Karl von Drais in