User Guide

35
HEADSET AND FORK
Introduction
The fork is responsible for holding the front wheel of your bicycle.
The headset (Fig. 47) is the bearing system which allows the steering of
your bike by rotation of the fork, stem, and handlebars.
On freestyle bikes, a rotor (Fig. 48) allows the handlebars to turn 360
degrees for freestyle tricks without interference from the brake cables.
Inspection
Once a month inspect the headset of your bicycle. Stand over the top
tube of your bicycle with both feet on the ground. Apply the front brake
firmly while you rock the bicycle forward and backward. If your bike is
not equipped with a front brake, do this inspection by turning the front
wheel to be across or perpendicular to the pushing force.
Look, listen, and feel for looseness of the headset bearings. To check
that the headset is not too tight, slowly rotate the fork and handlebars
to the right and left.
If the fork makes any grinding noises, or feels like it sticks or binds at any point in the
rotation, the bearings may be too tight. If your headset bearings are too loose or too
tight, do not ride the bicycle. Take it to your Fisher dealer for maintenance.
The rotor should not interfere with the headset function in any way. Look and listen for
irregular noises or rubbing from the rotor.
Adjustment
Headset adjustment requires special tools and training, and should only be performed
by your Fisher dealer. Further adjustment of the rotor is covered in the Brake System
section in the following pages.
Lubrication
Regrease the headset once every year. This requires special tools and training, and
should only be performed by your Fisher dealer.
Fig. 47
Headset
WARNING
Riding a bicycle with an improperly adjusted headset can cause
loss of control resulting in personal injury.
Fig. 48
Rotor
THREE
Inspection,
Adjustment
&
Lubrication