Cannondale Bicycle Corp. 115644 Page 6
Page 6 of 18
Important Manual Information
GEMINI, GEMINI Thru12TM,GEMINI DHTM
FRAME GEOMETRY .
HEADTUBE
The Gemini headtube is compatible with the Cannondale Headshok and the OnePointFive interface standards. Adapter
cups can be installed used for 1 1/8" interface standard compatibility. Arrangement B1 for longer travel forks, B2 shorter
travel.
GEOMETRY
GEMINI & GEMINI Thru12
GEMINI DH
A
Seat Tube Angle (degrees)
71°
70.5°
70.5°
70°
71°
70.5°
70.5°
B
Head Tube Angle (degrees)
67°
67°
67°
67°
67°
67°
67°
C
Horizontal Top Tube Length - Horizontal (mm)
575
600
625
650
575
600
625
Horizontal Top Tube Length - Actual (mm)
531
557
590
628
531
557
590
D
Seat Tube Length to Top (mm)
405
430
480
530
405
430
480
E
Chainstay Length (mm)
432
432
432
432
432
432
432
G
Bottom Bracket Height (mm)
370
370
367
367
370
370
367
H
Wheelbase (mm)
1092
1115
1145
1168
1092
1115
1145
I
Trail (mm)
96
96
96
96
96
96
96
J
Standover Height (mm)
724
730
733
754
724
730
733
K
Bottom Bracket Drop (mm)
20
20
20
20
20
20
20
L
Front-Center Distance (mm)
664
687
715
738
664
687
715
Fig. 4.
Headtube
WARNING: Improper service to the headtube or removing and installing adapter cups incorrectly
may cause it to fail resulting in personal injury. Have headtube work performed by your
Cannondale Dealer
WARNING: Do not adapt the Gemini for use with a 1" (25.4mm) steerer. Doing so will greatly
increase the risk of fork failure, which could result in injury or death.
B1
B2
Headshok Si
SYSTEM INTEGRATION
3
1 1/8"
1
113498
2
113497
Cannondale
Kit # KF057/
includes items 1 and 2
Cannondale
Kit # QHDST/EBO
