BICYCLE SUSPENSION SYSTEM

摘要

There is disclosed herein a suspension fork assembly particularly for use with bicycles. The assembly comprises an outer tube (14) which can be mounted in and extend through the head tube (11) or can be mounted via brackets (7, 8) to the steering tube (18) of the bicycle frame, and an inner tube (13) that telescopes within the outer tube. A shock absorbing system, preferably in the form of a cartridge is provided within the tubes. The inner surface (28) of the outer tube (14) and the otuer surface (20) of the inner tube (13) each have a plurality of axially arranged opposing longitudinal flat sections, such as four on each side. A plurality of needle bearings (36-39) are disposed between the tubes on these flat sections.