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Quill Stem
If your bike has a quill stem you can contact customer service to
adjust the handlebar height a bit by adjusting stem height.
A quill stem has an etched or stamped mark on its shaft that
designates the stem's Minimum Insertion or Maximum Extension.
This mark must not be visible above the headset. Figure 1.7
WARNING!
A quill stem's Minimum Insertion Mark must not be visible
above the top of the headset. If the stem is extended beyond
the Minimum Insertion Mark the stem may break or damage
the fork's steerer tube, which could cause you to lose control
and fall.
On some bicycles, changing the stem or stem height can affect
the tension of the front brake cable, locking the front brake or
creating excess cable slack which can make the front brake
inoperable. If the front brake pads move in towards the wheel
rim or out away from the wheel rim when the stem or stem
height is changed, the brakes must be correctly adjusted before
you ride the bicycle.
18
minimum
insertion mark
Quill stem
Headset
Steerer tube
Quill Stem
minimum
insertion
mark
Figure 1.7
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