2014 GT Bicycles Eightball Base

Geometry

XXS
XS
S
M
L
XL
Seat Tube Length, C-T
480mm
500mm
520mm
540mm
560mm
580mm
Top Tube Length, Effective/Horizontal Unknown
494mm
509mm
528mm
546mm
567mm
587mm
Head Tube Angle
71deg
72deg
73deg
73deg
74deg
74deg
Seat Tube Angle
76.5deg
76deg
75deg
75deg
74deg
74deg
Head Tube Length
90mm
100mm
110mm
120mm
140mm
160mm
Bottom Bracket Drop
63mm
63mm
60mm
60mm
55mm
55mm
Bottom Bracket Height
283mm
283mm
286mm
286mm
291mm
291mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
420.3mm
420.3mm
420.7mm
420.7mm
421.4mm
421.4mm
Front-Center
570.2mm
573.2mm
576.4mm
594.3mm
598.1mm
618mm
Front-Center Horizontal
570mm
573mm
576mm
595mm
598mm
618mm
Wheelbase
987mm
990mm
994mm
1012mm
1017mm
1037mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
43mm
Trail
73.7mm
high
67.2mm
high
60.8mm
mid/​neutral
60.8mm
mid/​neutral
54.5mm
mid/​neutral
54.5mm
mid/​neutral
Mechanical Trail
69.7mm
63.9mm
58.2mm
58.2mm
52.4mm
52.4mm
Wheel Flop
22.7mm
19.8mm
17mm
17mm
14.4mm
14.4mm
Standover Height
721mm
739mm
758mm
775mm
798mm
817mm
Tire to Pedal Spindle
54.2mm
170 mm cranks
57.2mm
170 mm cranks
60.4mm
170 mm cranks
78.3mm
170 mm cranks
82.1mm
170 mm cranks
102mm
170 mm cranks
Pedal Spindle to Ground Clearance
113mm
170 mm cranks
113mm
170 mm cranks
116mm
170 mm cranks
116mm
170 mm cranks
121mm
170 mm cranks
121mm
170 mm cranks

Base Build

XXS
XS
S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
35mm
35mm
35mm
35mm
35mm
35mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1679mm
1682mm
1686mm
1704mm
1709mm
1729mm
Source:https://www.sterba-kola.cz/media/downloads/gt/geometry-gt.pdf