 This action can be disconcerting to riders used to telescopic forks, which have the opposite reaction to braking forces ('brake dive').Several motorcycle manufacturers licensed the Earles patent forks for racing motorcycles in 1953, such as MV Agusta and BMW Motorcycle, while other companies (such as Douglas motorcycle) used the Earles design on their roadsters or off-road machines.BMW used Earles forks on all their motorcycles between 1955 and 1968.