Operation Manual

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GENIUS
BIKE OWNER’S MANUAL
SALES DRAWING MATERIAL DAT E 04/23/2009
UNIT mm Part. No. PRD 13641 (OE)
No. Material Qty Remark
1 O-Ring 1 black
2 Top Cap 1 black
3 Seal 1 black
4 Compressure Ring 1 silver
5 ACB Bearing 1
41 x 30
45° x 45°
6 Upper Cup 1 black
7 Lower Cup 1 black
8 ACB Bearing 1
51.9 x 40 x 8
45° x 45°
9 Crown Race 1 black
Ritchey WCS Carbon Zero Tapered / PF 50-61mm / 18mm UD PRD 13636
Ritchey PRO Tapered / PF 50-61mm / 12.9mm PRD 13640
Ritchey WCS Carbon Zero Tapered / PF 50-61mm / 18mm UD
for 1 1/18 fork
PRD 14860
ENGLISH
Genius features a tapered headset and fork steerer system to match with
semi-integrated headsets of the “50-61”mm range with ID of Headtube of
44.0mm on top and 54.9mm on the lower end.
It is also possible to use forks with a standard 1 1/8” steerer tube when using
a reducer headset such as e.g.
HEADSET OPTIONS
All frames of Genius (carbon and alloy) have a BB shell for BB92PF standard.
This matches to several bearing and crankset models of Shimano, SRAM, FSA
and others.
Please note that you do not need anymore a spacer on the right side of the
bearing cup between frame housing and bearing cup.
BOTTOM BRACKET (BB) ON GENIUS