Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,989 pages of information and 229,205 images on early companies, their products and the people who designed and built them.
Lucas were motorcycles produced from 1952 to 1965 by Charlie Lucas of Watford, Hertfordshire.
He began by building speedway machines fitted with JAP engines. Later he produced grass-track models of a similar style, with the addition of gearbox and brakes. After that he also built some machines for road racing.