2024 Colnago G4-X Base

	45	45	48	48	52	52	54	54	57	57
Stack	535mm	535mm	554mm	554mm	573mm	573mm	591mm	591mm	610mm	610mm
Reach	371mm	371mm	380mm	380mm	390mm	390mm	400mm	400mm	410mm	410mm
Stack to Reach Ratio	1.44:1	1.44:1	1.46:1	1.46:1	1.47:1	1.47:1	1.48:1	1.48:1	1.49:1	1.49:1
Seat Tube Length, C-T	450mm	450mm	480mm	480mm	520mm	520mm	540mm	540mm	570mm	570mm
Top Tube Slope	11.7deg	11.7deg	10.3deg	10.3deg	7.9deg	7.9deg	7.6deg	7.6deg	6.4deg	6.4deg
Head Tube Angle	71deg	71deg	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	74deg	74deg	74deg	74deg	73.5deg	73.5deg	73deg	73deg	73deg	73deg
Head Tube Length	80mm	80mm	98.2mm	98.2mm	120.5mm	120.5mm	139.2mm	139.2mm	159.1mm	159.1mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	284mm	284mm	284mm	284mm	286mm	286mm	286mm	286mm	286mm	286mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.9mm	423.9mm	423.9mm	423.9mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	585mm	585mm	596mm	596mm	613mm	613mm	628mm	628mm	644mm	644mm
Front-Center Horizontal	580.6mm	580.6mm	591.6mm	591.6mm	609mm	609mm	624.1mm	624.1mm	640.2mm	640.2mm
Wheelbase	1004.5mm	1004.5mm	1015.6mm	1015.6mm	1033.3mm	1033.3mm	1048.4mm	1048.4mm	1064.5mm	1064.5mm
Fork Offset/Rake	47.4mm	47.4mm	47.8mm	47.8mm	48.1mm	48.1mm	47.2mm	47.2mm	46.9mm	46.9mm
Fork Length (On-Axis)	406mm	406mm	406mm	406mm	406mm	406mm	406mm	406mm	406mm	406mm
Trail	72.5mm high	72.5mm high	68.8mm high	68.8mm high	68.4mm high	68.4mm high	69.4mm high	69.4mm high	69.6mm high	69.6mm high
Mechanical Trail	68.5mm	68.5mm	65.2mm	65.2mm	64.9mm	64.9mm	65.8mm	65.8mm	66mm	66mm
Wheel Flop	22.3mm	22.3mm	20.7mm	20.7mm	20.6mm	20.6mm	20.9mm	20.9mm	21mm	21mm
Tire to Pedal Spindle	59mm 170 mm cranks	59mm 170 mm cranks	70mm 170 mm cranks	70mm 170 mm cranks	87mm 170 mm cranks	87mm 170 mm cranks	102mm 170 mm cranks	102mm 170 mm cranks	118mm 170 mm cranks	118mm 170 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks	116mm 170 mm cranks

	45	45	48	48	52	52	54	54	57	57
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	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	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm
Tire Outer Diameter	712mm	712mm	712mm	712mm	712mm	712mm	712mm	712mm	712mm	712mm
Bike Length with Tires	1716.5mm	1716.5mm	1727.6mm	1727.6mm	1745.3mm	1745.3mm	1760.4mm	1760.4mm	1776.5mm	1776.5mm

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://velo.outsideonline.com/gravel/gravel-gear/colnago-g4-x-comes-to-market-as-a-gravel-race-bike/, https://139650070.fs1.hubspotusercontent-eu1.net/hubfs/139650070/Geometrie%20schede/G3-X-SIZES%20(2).pdf, https://www.colnago.com/en/products/g4-x-bike?srsltid=AfmBOooVQliWK-Vjrbu4lMlYmSKVwSQwn_RGiNfJ0xJF9OvGvexOXJdF

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2024 Colnago G4-X Base

Geometry

Base Build

Stack and Reach vs. Category Trend