2024 Bianchi Impulso Pro

	XS	SM	MD	LG	XL
Stack	517mm	534mm	554mm	580mm	608mm
Reach	376mm	378mm	391mm	401mm	414mm
Stack to Reach Ratio	1.38:1	1.41:1	1.42:1	1.45:1	1.47:1
Seat Tube Length, C-TTT	410mm	450mm	490mm	520mm	550mm
Top Tube Length, Effective/Horizontal HT Top	515mm	526mm	550mm	572mm	600mm
Top Tube Slope	11.8deg	9.2deg	6.8deg	6.4deg	6.2deg
Head Tube Angle	70.5deg	70.5deg	71.5deg	71.5deg	72deg
Seat Tube Angle	75deg	74.5deg	74deg	73.5deg	73deg
Head Tube Length	100mm	118mm	135mm	162mm	190mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm
Chainstay Length	425mm	425mm	425mm	426mm	428mm
Chainstay Length Max	425mm	425mm	425mm	426mm	428mm
Chainstay Length Horizontal	419.2mm	419.2mm	419.2mm	420.2mm	422.2mm
Chainstay Length Horizontal Max	419.2mm	419.2mm	419.2mm	420.2mm	422.2mm
Front-Center	592mm	600mm	610mm	628mm	645mm
Front-Center Horizontal	587.8mm	594.8mm	605.8mm	624.8mm	641.8mm
Wheelbase	1007mm	1014mm	1025mm	1045mm	1064mm
Wheelbase Max	1007mm	1014mm	1025mm	1045mm	1064mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	391mm	391mm	391mm	391mm	391mm
Trail	71.3mm high	71.3mm high	64.7mm mid/neutral	64.7mm mid/neutral	61.5mm mid/neutral
Mechanical Trail	67.2mm	67.2mm	61.4mm	61.4mm	58.5mm
Wheel Flop	22.4mm	22.4mm	19.5mm	19.5mm	18.1mm
Tire to Pedal Spindle	71mm 170 mm cranks	79mm 170 mm cranks	86.5mm 172.5 mm cranks	104.5mm 172.5 mm cranks	119mm 175 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	108.5mm 172.5 mm cranks	108.5mm 172.5 mm cranks	106mm 175 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.bianchi.com/store/int_EN/ytb83-impulsopro-grx820disc2x12sp-5.html

Geometry