2026 Colnago Steelnovo Base

	420	455	485	510	530	550	570
Stack	512mm	525mm	543mm	562mm	580mm	599mm	619mm
Reach	370mm	375mm	382mm	387mm	394mm	402mm	409mm
Stack to Reach Ratio	1.38:1	1.4:1	1.42:1	1.45:1	1.47:1	1.49:1	1.51:1
Seat Tube Length, C-T	420mm	455mm	485mm	510mm	530mm	550mm	570mm
Top Tube Length, Effective/Horizontal HT Top	502mm	513mm	530mm	543mm	562mm	579mm	595mm
Top Tube Slope	12.5deg	9.8deg	8.4deg	7.7deg	7.5deg	7.3deg	7.3deg
Head Tube Angle	70.8deg	71.6deg	72.5deg	72.9deg	72.9deg	72.9deg	72.9deg
Seat Tube Angle	75.5deg	75.3deg	74.8deg	74.5deg	73.8deg	73.5deg	73.3deg
Head Tube Length	106mm	117mm	135mm	153mm	172mm	192mm	213mm
Bottom Bracket Drop	74mm	74mm	72mm	72mm	72mm	72mm	72mm
Bottom Bracket Height	267mm	267mm	269mm	269mm	269mm	269mm	269mm
Chainstay Length	410mm	410mm	410mm	410mm	415mm	415mm	415mm
Chainstay Length Horizontal	403.3mm	403.3mm	403.6mm	403.6mm	408.7mm	408.7mm	408.7mm
Front-Center	572.9mm	575.1mm	580.1mm	587.2mm	599.6mm	613.4mm	626.4mm
Front-Center Horizontal	568.1mm	570.3mm	575.6mm	582.7mm	595.3mm	609.1mm	622.3mm
Wheelbase	971.3mm	973.6mm	979.2mm	986.4mm	1004mm	1017.8mm	1031mm
Fork Offset/Rake	43mm	43mm	43mm	43mm	43mm	43mm	43mm
Fork Length (Axle-To-Crown)	372mm	372mm	372mm	372mm	372mm	372mm	372mm
Trail	73.2mm high	68.1mm high	62.4mm mid/neutral	59.9mm mid/neutral	59.9mm mid/neutral	59.9mm mid/neutral	59.9mm mid/neutral
Mechanical Trail	69.1mm	64.6mm	59.5mm	57.3mm	57.3mm	57.3mm	57.3mm
Wheel Flop	22.7mm	20.4mm	17.9mm	16.8mm	16.8mm	16.8mm	16.8mm
Tire to Pedal Spindle	61.9mm 170 mm cranks	64.1mm 170 mm cranks	69.1mm 170 mm cranks	76.2mm 170 mm cranks	88.6mm 170 mm cranks	102.4mm 170 mm cranks	115.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	97mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

	420	455	485	510	530	550	570
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
Tire Width	30mm	30mm	30mm	30mm	30mm	30mm	30mm
Tire Width Max	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Outer Diameter	682mm	682mm	682mm	682mm	682mm	682mm	682mm
Bike Length with Tires	1653.3mm	1655.6mm	1661.2mm	1668.4mm	1686mm	1699.8mm	1713mm

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

Performance Road

Source:https://www.colnago.com/en/products/steelnovo-bike

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2026 Colnago Steelnovo Base

Geometry

Base Build

Stack and Reach vs. Category Trend