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PART 2
Carbon Fiber Forks & Stems
138692 Rev 0 (04/22)
Section A. Important Safety Information
GT Bicycle Owner’s Manual
Oem vs. Aftermarket Fork Parts
Compatibility
Your bicycle was shipped by GT with a
compatible component specification. The fork,
the handlebar stem, the headset parts (i.e.
spacers, bearings, crown race), and the
compression assembly are parts of the system.
Other handlebar stems, headset parts, and
compression assemblies available to you from
sources other than GT may not be compatible.
Aftermarket Handlebar Stems
Many handlebar stem designs from many
different manufacturers are available. It is
impossible to provide a listing of compatibility
based on availability. Don’t think availability
means compatibility. Here are some factors
affecting compatibility:
1. A compatible handlebar stem must be
compatible for use with both steerer and
handlebar.
2. The stem must be designed for use with
carbon forks having an 1 1/8 steerer tubes,
without adaptation or alteration of the stem
or the steerer tube. The surfaces must mate
correctly.
3. The inside diameter of the stem clamping
surface must be smooth, free of burrs. It
must fit the outside diameter of the steerer
tube snugly with the clamp bolts completely
loosened. The stem surfaces in contact with
the steerer must be smooth, without
interruptions (large openings or holes).
When clamped to the recommended
tightening torque, the stem must not pinch
or cause other impressions or cuts in the
steerer tube. Smooth and remove any burrs
with fine sand paper (220 is ideal).
4. Wedge clamping stems must not be used.
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