2020 Colnago G3X Base

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 aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category

Geometry

46
49
52
55
58
Stack
535mm
554mm
573mm
591mm
600mm
Reach
371mm
380mm
390mm
400mm
410mm
Stack to Reach Ratio
1.44:1
1.46:1
1.47:1
1.48:1
1.46:1
Seat Tube Length, C-T
460mm
490mm
520mm
550mm
580mm
Top Tube Length, Effective/Horizontal HT Top
513mm
539mm
560mm
578mm
593mm
Top Tube Slope
10.5deg
9.2deg
7.9deg
6.6deg
4.6deg
Head Tube Angle
70.8deg
71.5deg
71.5deg
71.6deg
71.9deg
Seat Tube Angle
75deg
74deg
73.5deg
73.2deg
72.3deg
Head Tube Length
102mm
122mm
140mm
159mm
167mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
281mm
281mm
281mm
281mm
281mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
424.3mm
424.3mm
424.3mm
424.3mm
424.3mm
Front-Center
588mm
602mm
614mm
629mm
637mm
Front-Center Horizontal
583.8mm
597.9mm
610mm
625.1mm
633.1mm
Wheelbase
1008.1mm
1022.2mm
1034.3mm
1049.4mm
1057.4mm
Fork Offset/Rake
48.1mm
53.1mm
49mm
49.1mm
47.4mm
Fork Length (On-Axis)
409mm
409mm
409mm
409mm
409mm
Trail
71.3mm
high
61.5mm
mid/​neutral
65.8mm
high
65mm
mid/​neutral
64.8mm
mid/​neutral
Mechanical Trail
67.4mm
58.3mm
62.4mm
61.7mm
61.6mm
Wheel Flop
22.2mm
18.5mm
19.8mm
19.5mm
19.1mm
Tire to Pedal Spindle
67mm
170 mm cranks
81mm
170 mm cranks
93mm
170 mm cranks
108mm
170 mm cranks
116mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Base Build

46
49
52
55
58
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
Tire Width
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1710.1mm
1724.2mm
1736.3mm
1751.4mm
1759.4mm

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
All-road/Gravel
Source:https://www.colnago.com/wp-content/uploads/2018/06/G3X-SLOPING-1.pdf