Cycle steering bearing nut locking device - has flexible O=ring between bearing cage and fork

摘要

The front fork assembly(1) has a central post which passes through the frame bracket. The assembly has a bottom bearing race with the lower cage fixed to the fork and the outer cage fixed to the frame tube. The top race has the lower cage fixed to the frame tube and the upper cage fixed the fork. The top bearing assembly has a nut screwed onto the fork. The nut is locked by means of an 'O' ring located between the inside of the nut and the fork is prevented the nut becoming loose with the turning of the steering wheel.