Brian Stonebridge (1928 – 1961) was a British motorcycle racer and engineer active during the 1950s. He is noted for his participation in road racing events, including the Isle of Man Tourist Trophy races, and for his work in developing and customizing racing motorcycles for competition. Stonebridge was associated with several British motorcycle manufacturers, such as BSA and Norton, and was involved in the construction of bespoke racing bikes that bore his name.
His career encompassed both competition riding and mechanical engineering, contributing to advancements in motorcycle performance during the post‑war era. Stonebridge’s activities were primarily centered in the United Kingdom’s motorcycling community, particularly at venues such as the Brands Hatch circuit.
Stonebridge’s life ended in 1961 as a result of a road traffic accident while he was riding a motorcycle. His contributions to British motorcycle racing and engineering are remembered within the historical context of mid‑century motor sport.
Note: Detailed biographical information, including exact birth and death dates, as well as a comprehensive record of race results, is limited in publicly available encyclopedic sources.
