 Frank Longman was the only TT winner, in the 1928 Lightweight class with a JAP model.Charles Dawes left to start Dawes Cycles in 1926, and in 1927 the name of the company was changed to OK-Supreme.In 1928, Humphries bought the failed HRD Motorcycles for the factory and tools, selling the rest, including the name, to Phil Vincent, who developed the marque into Vincent Motorcycles.