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When re-fitting the stem, make sure the handlebars are correctly aligned
and tightened using the appropriate hex wrench or allen key.
Do not over tighten.
Test the security of the handlebar within the stem, and the stem within
the fork steerer tube, by clamping the front wheel between your knees
and trying to move the handlebar up and down, and from side to side. The
handlebar should not move when applying turning pressure.
Handlebars
The exact positioning of the handlebar is a matter of personal comfort.
For MTB bicycles, the bar should be approximately horizontal, with the
ends pointing back and slightly up. On MTB and racing style bicycles,
the handlebar is usually tightened in the stem by a single allen key bolt
or hexagonal bolt. On beach cruiser style bicycles there may be four
clamping bolts.
Please note that if you need to replace the fork on your bicycle at any
time, please consult a qualified bicycle technician.
Never ride unless the handlebar clamping
mechanism has been securely tightened.
MTB Handlebar Assembly
Grip
Handlebar
Stem Bolt
Handlebar Stem
Stem Bolt Wedge
Make sure handlebars
and fork are facing
forward
Note, curved rake of
fork faces forward
!
HANDLEBARS AND STEM
Stem
The stem fits into the steering column and is held firmly by the action
of a binder bolt and expander wedge which, when tightened, binds with
the inside of the fork steerer tube. When removing the stem, loosen
the stem bolt two or three turns, then give it a tap to loosen the wedge
inside.
Lubricate by first wiping off any old grease and grime, then applying a
thin film of grease to the part, including the wedge, that will be inserted
into the frame. The height of the handlebar can be adjusted to suit your
comfort preference. If the stem is removed from the steering column,
you will notice a mark about 65mm up from the bottom with the words
“max. height” or “minimum insertion".
Never ride a bicycle if the stem has
been raised so that the max. height/
minimum insertion line can be seen.
Handlebar Clamp Bolts
Handlebar Binder Bolt
Stem Bolt
Max. Height/
Min. Insertion Mark
Stem Bolt Wedge
Max. Height/
Minimum Insertion
Mark
Warning: over tightening the stem
bolt or headset assembly may cause
damage to the bicycle and/or injury
to the rider.
!
!