13
134911 Rev 1.
ENGLISH
SYNAPSE - OWNERS MANUAL SUPPLEMENT
SiSL Compression Assembly -
K35058
CAP
EXPANDER BOLT
STEM
FORK STEERER
HEADSET TOP CAP
HEADSET SPACERS
LOWER CONE
UPPER CONE
O-RING
WEDGES
3 mm
5
55mm
Maximum
Stack
Height
45
mm
Set-Up Length
4 Nm
Exploded Parts View
EXPANDER BOLT
Installation
1. Assemble the fork, headset, spacers, and stem into
the head tube. The fork steerer is to extend 3mm
above the top of the stem.
2. Lightly tighten the stem bolts.
3 Set-up the compression assembly to 45mm length.
Adjust the length by threading the cap on the
upper cone.
4. Insert the compression assembly into the steerer
tube.
5. Insert an 4mm Allen key through the hole in
the cap and into the expander bolt. Tighten the
expander bolt to 4 Nm.
6. Set bearing preload. Insert a 5mm allen key into the
cap. Turn the entire top cap clockwise to increase
bearing preload. Turning it counter-clockwise will
decrease the preload.
7. When the headset preload is set, turn the stem
to align the handlebar with the front wheel and
tighten the stem clamp bolts to the torque specified
for the stem. Consult the stem manufacturer’s
instructions. The torque values for components are
often marked on the part.
The installation and adjustment to be performed by
a professional bike mechanic. Incorrect installation
can result damage leading to a accident.
DO NOT EXCEED THE MAXIMUM STACK HEIGHT
(55mm) OR LOCATE SPACERS ON TOP OF THE
STEM.
YOU CAN BE SEVERELY INJURED, PARALYZED OR
KILLED IN AN ACCIDENT IF YOU IGNORE THESE
WARNINGS.
