2021 E-Caliber Service Manual
2
Headset with Knock Block
1
2
3
4
5
6
7
Item Description
Quantity in
Assembly Part Number Torque (Nm)
1
Upper bearing cover
1
5252159
—
2
Knock Block chip bolt
1
2
3
Knock Block chip, 62 degrees
1
—
4
Compression ring
1
—
5
Upper bearing
1
—
6
Lower bearing
1
5252158
—
7
Crown race
1
—
Tools
•
2.5 mm hex tool
•
Torque wrench with 2.5 mm hex bit
• Headset tools
• Grease
1. Inspect the components for damage or excessive
wear.
• Knock Block chip (3)
•
Underside channel of the upper bearing cover (1)
• Interlocking keys of the upper bearing cover (1)
and the stem
2. Replace any damaged or worn components.
3.
Apply grease to:
•
Upper and lower head tube bearing bores.
• Inside of the bearing seats of the compression
ring (4) and the crown race (7).
4.
Install the crown race (7), then the lower the bearing
(6)onto the steerer tube.
5.
Insert the steerer tube into the bottom of the head
tube.
6.
Install the upper bearing (5), then the compression
ring (4) onto the steerer tube.
7.
Insert the Knock Block chip (3) and bolt (2) into the
frame, but do not tighten it.
8. Install the upper bearing cover (1).
9. Install spacers as needed.
10. Torque the Knock Block chip bolt (2) to 2 Nm.
