2025 WHISTLE VAERO ULTEGRA DI2

	56	56	58	58	58
Stack	566mm	566mm	594mm	594mm	594mm
Reach	397mm	397mm	403mm	403mm	403mm
Stack to Reach Ratio	1.43:1	1.43:1	1.47:1	1.47:1	1.47:1
Seat Tube Length, C-C	530mm	530mm	550mm	550mm	550mm
Top Tube Length, Effective/Horizontal Center	564mm	—	584mm	584mm	—
Top Tube Length, Effective/Horizontal HT Top	—	564mm	—	—	584mm
Head Tube Angle	73.5deg	73.5deg	73deg	73deg	73deg
Seat Tube Angle	73deg	73deg	73.5deg	73.5deg	73.5deg
Head Tube Length	160mm	160mm	190mm	190mm	190mm
Bottom Bracket Drop	71mm	71mm	71mm	71mm	71mm
Bottom Bracket Height	268mm	268mm	268mm	268mm	268mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	401.8mm	401.8mm	401.8mm	401.8mm	401.8mm
Front-Center	599.4mm	599.4mm	612.4mm	612.4mm	612.4mm
Front-Center Horizontal	595.2mm	595.2mm	608.2mm	608.2mm	608.2mm
Wheelbase	997mm	997mm	1010mm	1010mm	1010mm
Fork Offset/Rake	49.5mm	49.5mm	43.4mm	43.4mm	43.4mm
Trail	48.8mm mid/neutral	48.8mm mid/neutral	58.3mm mid/neutral	58.3mm mid/neutral	58.3mm mid/neutral
Mechanical Trail	46.8mm	46.8mm	55.8mm	55.8mm	55.8mm
Wheel Flop	13.3mm	13.3mm	16.3mm	16.3mm	16.3mm
Tire to Pedal Spindle	87.9mm 172.5 mm cranks	87.9mm 172.5 mm cranks	98.4mm 175 mm cranks	98.4mm 175 mm cranks	98.4mm 175 mm cranks
Pedal Spindle to Ground Clearance	95.5mm 172.5 mm cranks	95.5mm 172.5 mm cranks	93mm 175 mm cranks	93mm 175 mm cranks	93mm 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.whistlebikes.com/newsite/wp-content/uploads/2024/04/Vaero-Geom.png

Geometry