2025 Colnago Y1RS Base

	XS	S	M	L	XL
Stack	495mm	520mm	540mm	565mm	590mm
Reach	368mm	377mm	386mm	395mm	404mm
Stack to Reach Ratio	1.35:1	1.38:1	1.4:1	1.43:1	1.46:1
Head Tube Angle	70.8deg	71.9deg	73deg	73.5deg	73.5deg
Seat Tube Angle	75deg	74.5deg	74deg	73.7deg	73deg
Head Tube Length	88.5mm	108.5mm	126.5mm	150.5mm	176.5mm
Bottom Bracket Drop	74mm	74mm	72mm	72mm	72mm
Bottom Bracket Height	265mm	265mm	267mm	267mm	267mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	401.2mm	401.2mm	401.6mm	401.6mm	401.6mm
Front-Center	577.5mm	579.5mm	581mm	590mm	606mm
Front-Center Horizontal	572.7mm	574.8mm	576.5mm	585.6mm	601.7mm
Wheelbase	974mm	976mm	978.1mm	987.2mm	1003.3mm
Fork Offset/Rake	55mm	49.5mm	45mm	42.5mm	42.5mm
Fork Length, Unknown	376.5mm	376.5mm	376.5mm	376.5mm	376.5mm
Trail	59.8mm mid/neutral	58.7mm mid/neutral	56.6mm mid/neutral	56.1mm mid/neutral	56.1mm mid/neutral
Mechanical Trail	56.5mm	55.8mm	54.1mm	53.8mm	53.8mm
Wheel Flop	18.6mm	17.3mm	15.8mm	15.3mm	15.3mm
Tire to Pedal Spindle	68.5mm 170 mm cranks	70.5mm 170 mm cranks	72mm 170 mm cranks	81mm 170 mm cranks	97mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	95mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	97mm 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/de-de/premium-bikes/y1rs-road-bike

Geometry