Stem And Handlebars; Headset - Lapierre EN14764 Owner's Manual

WARNINg
FOR YOUR SAFETY, RESPECT
THE TORQUE SPECIFICATIONS
OF THE DIFFERENT
COMPONENTS.
CHECK YOUR BIKE BEFORE
AND AFTER EVERY RIDE
FOR PLAY OR VIBRATIONS,
WHICH WILL HELP IDENTIFY
IF A PART IS NOT TIgHTENED
CORRECTLY OR NEEDS
REPLACINg.
TEST 1
PAGES_INTER2013.indd 7
comfortable pedalling and the correct back position. When you do find the correct position, the saddle
must be securely tightened so that it can no longer move while riding.

1.3 STEM AND HANDLEBARS

to adjust the height of the stem:
1 – first loosen the stem expander bolt two or three turns, then tap the top of the stem expander bolt to
loosen the stem quill.
2 – then you can freely adjust the height of the stem, but be careful not to exceed the minimum insertion
mark. When you retighten the stem, be sure to respect the torque specifications and to align the stem with
the front wheel.
if you have a threadless headset, we recommend that you consult your lapierre authorized dealer who can
flip the stem or remove spacers.
after making adjustments to the stem, check that the stem is tightened by trying to turn the handlebars left
and right while you hold the front wheel between your legs.
for your safety, adjust your handlebars so that you can easily access the brake levers and the shifters.
for mountain bikes: the shifters should be positioned in the prolongation of your forearms when you are
in riding position on the bike.
for road bikes: in general, the lower part of the handlebars should be horizontal.
WARNINg: the stem has a minimum insertion mark ("stop" or "insert mini"). if this mark is visible, the
stem may break, causing potential injury, and the terms of the warranty will be cancelled. for threadless
headsets, always make sure the bolts are correctly tightened.

1.4 HEADSET

the headset is composed of two bearings and races placed at each end of the head tube. lapierre bikes
use one of two types of headsets: classic (when the front fork, which has screw threads, is secured by a
locknut), or threadless (when the front fork is clamped by the handlebar stem itself and the play can be
adjusted by tightening the top cap).
during intense rides, the headset is put under a large amount of pressure, and afterwards you may notice
some play, which could make it difficult to steer. riding with the headset not properly adjusted could cause
damage to your bike.
Here are two simple tests to perform before each ride:
TEST 1 – While applying the front brake, try to move the bike forwards and backwards. you will notice right
away if there is movement of the steer tube in the headset.
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