2015 GT Bicycles Grade Carbon 105

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

51 (XS)
53 (S)
55 (M)
56 (L)
58 (XL)
60 (XXL)
Stack
534mm
557mm
578mm
601mm
627mm
650mm
Reach
367mm
370mm
373mm
381mm
382mm
389mm
Stack to Reach Ratio
1.46:1
1.51:1
1.55:1
1.58:1
1.64:1
1.67:1
Seat Tube Length, C-T
495mm
535mm
550mm
560mm
605mm
635mm
Top Tube Length, Effective/Horizontal HT Top
515mm
535mm
550mm
565mm
580mm
600mm
Top Tube Slope
6.5deg
4.8deg
5.6deg
6.9deg
5.1deg
4.5deg
Head Tube Angle
69deg
70deg
70.5deg
71.5deg
72deg
72deg
Seat Tube Angle
74.5deg
73.5deg
73deg
73deg
72.5deg
72deg
Head Tube Length
121mm
142mm
162mm
182mm
207mm
231mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
276mm
276mm
276mm
276mm
276mm
276mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
Front-Center
597mm
599mm
605mm
610mm
615mm
628mm
Front-Center Horizontal
592.7mm
594.7mm
600.7mm
606.7mm
610.7mm
624.7mm
Wheelbase
1017mm
1019mm
1025mm
1031mm
1035mm
1049mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
45mm
45mm
Trail
84.6mm
very high
78.1mm
high
74.8mm
high
68.3mm
high
65.1mm
high
65.1mm
high
Mechanical Trail
79mm
73.3mm
70.5mm
64.8mm
61.9mm
61.9mm
Wheel Flop
28.3mm
25.1mm
23.5mm
20.6mm
19.1mm
19.1mm
Standover Height
742mm
772mm
786mm
800mm
829mm
843mm
Tire to Pedal Spindle
81mm
170 mm cranks
83mm
170 mm cranks
89mm
170 mm cranks
94mm
170 mm cranks
99mm
170 mm cranks
112mm
170 mm cranks
Pedal Spindle to Ground Clearance
106mm
170 mm cranks
106mm
170 mm cranks
106mm
170 mm cranks
106mm
170 mm cranks
106mm
170 mm cranks
106mm
170 mm cranks

Carbon 105 Build

51 (XS)
53 (S)
55 (M)
56 (L)
58 (XL)
60 (XXL)
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 Width Max
37mm
37mm
37mm
37mm
37mm
37mm
Tire Outer Diameter
692mm
692mm
692mm
692mm
692mm
692mm
Bike Length with Tires
1709mm
1711mm
1717mm
1723mm
1727mm
1741mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Endurance Road
Source:https://www.sefiles.net/images/library/features/GeoChart_Grade.gif