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FORK PREPARATION & INSTALLATION
1. Apply grease to the bearing pockets and install
10. Install the Stem Top Cap and Preload Fixing
the upper and lower headset bearings into the
Screw into the stem. Tighten the Preload
frame.
bolt only enough to remove all play from the
headset, and ensure the bearings rotate freely
2. Fit the fork provided with your frame into the
(typically 1 to 2 Nm)
head tube with the complete headset, required
spacers, and the stem.
11. Tighten the stem to fork fixing bolts to 5Nm
maximum.
3. Apply the minimum pressure needed to
ensure the assembly is fully seated. Mark the
steerer tube at the top of the stem.
Avoid breathing the dust created during cutting
carbon composite materials.
4. Remove fork and clearly mark the fork steerer
tube at a point 4mm below the first mark. Take
care to verify that this measurement is correct
as this defines the cut line for the steerer tube.
Improper cutting of the steerer tube could
cause a failure that may result in severe injury
5. To trim fork steerer, use only a saw suitable for
or death.
cutting carbon, and a cutting guide.
6. Insert D-Shaped Compression Plug and tighten
to hold in place. Do not apply final torque until
after the stem is installed.
7 . Place Lower Bearing over the fork steerer and
Do not exceed
insert into the frame from the bottom of the
52mm maximum
head tube.
total spacer height,
including the
8. Install over the steerer in order: Upper Bearing,
Bearing Top Cap.
Split Ring, Bearing Top Cap, Stem Spacers, and
Stem. Do not install the Stem Top Cap.
9. Tighten the Compression Plug to 8Nm using a
torque wrench.
11
1st Mark
2nd Mark /
Final Cut
Max.
4mm
1mm
D-Shaped
Compression
Plug adds 1mm
to height of
cut fork
Do not exceed 5mm total
spacers above the stem.
The component parts of the compression
plug are side-specific. Re-assembling
parts incorrectly may result in loss of
preload in the system. Refer to the
images shown for correct assembly.
D-Shaped Compression
Plug (FKI-CL005-517A).
Left
Right
Wedge
Wedge
Rear
Wedge
Install D-Shaped Compression
Plug in fork steerer and lightly
tighten. Apply rated torque of
8Nm following stem and spacer
installation.
Upper Bearing
1-1/4" 45ºx 45º
Do not torque Compression Plug past
the recommended 8Nm maximum. If the
Compression Plug requires tightening past
8Nm, please contact Cervélo Customer
Service.
ST32 Stem
Preload
Top Cap Plug
Fixing
GR-ST32-
Screw
CLOSED
M6 x 25
ST32 Stem
Top Cap
Stem
Spacer Kit
(SK-032)
2.5mm Stem
Spacer
5mm Stem
Spacer
Bearing
Bearing
Top Cap
Top Cap
7mm
22mm
(BC-413)
(BC-506)
or
Lower Bearing
Split Ring
1-1/2" 36ºx 45º
(SR-312)
Two-piece
Stem Spacers
allow for
installation
or removal
without
re-cabling.
Your Cervélo frame
& fork have been
designed to work
together. Do not
substitute a different
size fork without first
consulting Cervélo
Customer Service to
confirm compatibility
with your frame.
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