The scene of racers with classic sidecars built in 1985 or older is an absolute niche. In the United Kingdom, the chassis of the sidecars mostly come from the British motorbike and sidecar manufacturer Wasp Motorcycles, based in Salisbury. The name "Wasp" seems to derive from the early color scheme of the Wasp tank and side panels in yellow and black. In the 1970s and 1980s, Wasp chassis were ridden not only by British riders but also by many of the top European riders who were on the winner's podium in the European and World Championships of the time.
The amazingly high number of machines still in circulation today is testament to the outstanding build quality. The Wasp Motorcycles company, founded in 1964, still exists. Its founder Robin Rhind-Tutt passed away in 2019. Since then, a Wasp Celebration Race Meeting featuring over 40 of the classic machines has been held every year in his honor, as he helped the sport achieve some prominence.
In the pre-1985 era, there was also a famous German chassis by HEOS whose special feature was to have the fuel tank built into the sidecar so that its center of gravity was kept low. A German championship team of that time, Josef Brockhausen and his co-driver Herbert Rebele, were very successful with this machine, and Wasp copied the idea of the fuel tank in the sidecar for later models of their own.