OSSA 250 Monocoque

This amazing little OSSA 250cc Grand Prix bike finished 3rd in the 250cc World Championship in 1969. Its revolutionary monocoque stunned the Grand Prix paddock, yet the clearly superior design never found favour with the big manufacturers. Designed by Eduardo Giró, the son of OSSA founder Manuel Giró, the bike featured a six-speed gearbox mated to a single cylinder, 250 cc two-stroke rotary valve engine. It produced a modest 30 hp. The engine was no match for the fire-breathing V4 Yamahas of Phil Read and Billy Ivy, but with its clever magnesium monocoque chassis, the bike weighed a full 20...