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aren't absolutely sure which type of stem your bike has, ask your Xtracycle dealer or any bike shop.
If your bike has a "threadless" stem your dealer may be able to change handlebar height by moving
height adjustment spacers from below the stem to above the stem, or vice versa. Otherwise, you'll have to
get a stem of different length or rise. Consult your dealer. Do not attempt to do this yourself, as it requires
special knowledge.
If your bike has a "quill" stem you can ask your dealer to adjust the handlebar height a bit by adjusting
stem height.
A quill stem has an etched or stamped mark on its shaft which designates the stem's "Minimum
Insertion" or "Maximum Extension". This mark must not be visible above the headset.
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.
WARNING: 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.
Some bicycles are equipped with an adjustable angle stem. If your bicycle has an adjustable angle stem,
ask your dealer to show you how to adjust it. Do not attempt to make the adjustment yourself, as changing
stem angle may also require adjustments to the bicycle's controls.
WARNING: Always tighten fasteners to the correct torque. Bolts that are too tight can stretch
and deform. Bolts that are too loose can move and fatigue. Either mistake can lead to a sudden
failure of the bolt, causing you to lose control and fall.
Your dealer can also change the angle of the handlebar or bar end extensions.
WARNING: An insufficiently tightened stem clamp bolt, handlebar clamp bolt or bar end
extension clamping bolt may compromise steering action, which could cause you to lose
control and fall. Place the front wheel of the bicycle between your legs and attempt to twist the
handlebar/stem assembly. If you can twist the stem in relation to the front wheel, turn the
handlebars in relation to the stem, or turn the bar end extensions in relation to the handlebar, the
bolts are insufficiently tightened.
D. Control position adjustments
The angle of the brake and shift control levers and their position on the handlebars can be changed. Ask
your dealer to make the adjustments for you. If you choose to make your own control lever angle adjustment,
be sure to re-tighten the clamp fasteners to the recommended torque (See appendix).
E. Brake reach
Many bikes have brake levers which can be adjusted for reach. If you have small hands or find it difficult
to squeeze the brake levers, your dealer can either adjust the reach or fit shorter reach brake levers.
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