THOMSON Elite X4 Manual

, Elite
Elite
Before starting assembly
1
Carbon Fiber and Aluminum Steerers
Steerer should extend 3mm
above stem requiring a 5mm
spacer.
Important: For carbon fiber steerer tubes refer to the manu-
2
facturer specifications on how to cut and finish the steerer
tube.
For steel and aluminum steerer tubes: Remove any burrs from the
steerer tube; do not remove any base metal. File a smooth radius
around the top edge as shown. If the Thomson Stem has a burr at the
point of contact with the steerer tube, handlebar, or clamp, remove the
burr with 400 grit sandpaper.
3
Steerer tube
Grease all of the bolt threads and the threads inside the stem
before assembly. All bolts are identical.
Grease
Grease
Degrease the steerer
4
tube, the inside of the
Thomson Stem and the
steerer clamps before
assembly. Rubbing
alcohol is an effective
degreaser.
5
Important: For carbon
fiber steerer tubes refer
to the manufacturer
specifications on how
to cut and finish the
steerer tube.
U.S. Patents 6,309,135; 6,945,135; 7,407,176; 7,500,415; 5,123,485 S; 515,983 S; 515,4983 S; 516,965 S; 528,047
E.U. Patents 1,210,261 EP; 021,083,488 PCT; 1,595,778 EP
and
BMX
Carbon,
Aluminum
or Steel
Steerer Tube
Make sure there are no burrs.
Grease
Grease
Degrease
, Elite
Elite
Congratulations!
THANK YOU for purchasing the Thomson Stem. The following instructions
should be read completely before installation. If you have any questions
regarding installation or service of this product, please contact your local
dealer. We recommend that a professional bicycle mechanic install and
service this product.
L.H. Thomson Co. Inc. 7800 N.E. Industrial Blvd.
Macon, Georgia USA 31216-7748
phone: 478.788.5052
email: bikes@lhthomson.com
www.bikethomson.com
6
Tightening Process for
Using a torque wrench,
alternate tightening
each bolt in small
amounts until both are
tightened to 5.5 Nm
Tightening Process for
7
Make sure there is an
equal gap between the
handlebar clamp and the
stem body. Using a torque
wrench, tighten the four
bar clamp bolts to 4.0 Nm
Tightening Process for
Make sure there is an
equal gap between the
handlebar clamp and the
stem body. Using a torque
wrench, tighten the four
bar clamp bolts to 5.1 Nm
Tightening Process for BMX Stem Bolts
Using a torque wrench,
alternate tightening each
bolt in small amounts until
both bolts are tightened
to 12.4 Nm
Torque Pattern for Tightening BMX Stem
Bolts
Tighten handlebar clamp using numbered
torque pattern. Make sure bolts are tight-
ened to 12.4 Nm
Before riding, check
that the stem is tight
and properly installed.
Pinch the front wheel of
the bike between your
knees and attempt to
rotate the bars. The
bars should not twist.
This should be done
before every bike ride.
and
BMX
and Steerer Clamp Bolts
Bar Clamp Bolts
Equal gap
Equal gap
Bar Clamp Bolts
Equal gap
Equal gap
After installing the stem, check
that the cable housings do
not bind. Check by turning the
handlebar until the grip hits the
frame. If the housings bind,
replace with longer ones.
does not bind