camber thrust contributes to the ability of bicycles and motorcycles to negotiate a turn with the same radius as automobiles but with a smaller steering angle?
in 1912, a Singer motorcycle became the first 350cc motorcycle to cover more than 60 miles (97 km) in one hour?
between 1903 and 1924 Rover produced more than 10,000 motorcycles?
WW1 stopped production of AJS Model Dmotorcycles but a 1917 order to supply Russia with 1,100 military motorcycles enabled them to continue development?
BritishmarqueAJW built high-end 1000cc motorcycles in the 1920s but were producing 50cc "Fox Cubs" by the 1960s?