2020 Colnago G3X Base

	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

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.

Category Trend

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

Geometry