Bicycle front axle shock absorbing unit has threaded bolt with pushrod and two helical springs placed under compression by finger nut

摘要

A bicycle front wheel shock absorber has a hollow threaded bolt (1) and a pushrod (2) which is inserted into the bolt open end. The unit further has two helical springs (3, 4) around the bolt (1) and a finger nut (5) placed on the bolt free end. The finger nut places the bolt and springs under compression.