2020 Colnago G3X Base 55

Build

700C/29 in × 40 mm

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
591mm
Reach
400mm
Stack to Reach Ratio
1.48:1
Seat Tube Length, C-T
550mm
Top Tube Length, Effective/Horizontal HT Top
578mm
Top Tube Slope
6.6deg
Head Tube Angle
71.6deg
Seat Tube Angle
73.2deg
Head Tube Length
159mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
281mm
Chainstay Length
430mm
Chainstay Length Horizontal
424.3mm
Front-Center
629mm
Front-Center Horizontal
625.1mm
Wheelbase
1049.4mm
Fork Offset/Rake
49.1mm
Fork Length (On-Axis)
409mm
Trail
65mm
mid/​neutral
Mechanical Trail
61.7mm
Wheel Flop
19.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
108mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
111mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1751.4mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.colnago.com/wp-content/uploads/2018/06/G3X-SLOPING-1.pdf