TECHNICAL MANUAL
BLUE PAPER ORCA ·
OMR 2021
20 | ORBEA
ORBEA | 21
EN
* ID: Internal headtube diameter.
** OD: External headtube diameter.
HEADSET
HEADTUBE DIMENSIONS
01
HEADSET ICR BEARING KIT
ART Nº: X043
QUANTITY
1.1
TOP BEARING 1-1/2 INTERN. CABLING
1
1.1
BOTTOM BEARING 1-1/2
1
02
HEADSET DUST SEAL KIT
ART Nº: X044
QUANTITY
2.1
TOP DUST SEAL H/SET ROAD
1
2.1
BOTTOM DUST SEAL H/SET ROAD
1
03
COMPRESSION RING INTERNAL CABLING. ROAD
ART Nº: X045
QUANTITY
COMPRESSIÓN RING INTERNAL CABLING. ROAD
1
04
FRAME HEADSET COVER. ORCA OMR
ART Nº: X046
QUANTITY
FRAME HEADSET COVER. ORCA OMR
1
HEADSET ASSEMBLY
AND SPARES
Ø 58
Ø 58
Ø 52.1 ± 0.05
Ø 52.1 ± 0.05
45º
8.3
+0 -0.2
8.3
+0 -0.2
GREASE
1.2
4
3
2.1
2.2
1.1
Headset
URGEKƂECVKQPU
TYPE
ID*
OD**
Bearing
angle
Compression ring/
crown race
contact angle
SHIS
CODE
Bearing
dimensions
TOP
1-1/8"
Integrated
52.1mm
58mm
45º
45º
IS52/42
Angular contact
bearing 42x52x7mm
BOTTOM
1-1/2"
Integrated
52.1mm
58mm
45º
45º
IS52/40
Angular contact
bearing 40x52x7mm
