2025/2.0 Corvus Cycles Akio Base

	16 Inch	18 Inch	20 Inch
Stack	600mm	618mm	632mm
Reach	430mm	451mm	468mm
Stack to Reach Ratio	1.4:1	1.37:1	1.35:1
Seat Tube Length, C-T	409mm	440mm	485mm
Top Tube Length, Effective/Horizontal Center	594mm	618mm	639mm
Head Tube Angle	67.5deg	67.5deg	67.5deg
Effective Seat Tube Angle, ETT Center	74.5deg	74.5deg	74.5deg
Head Tube Length	105mm	120mm	140mm
Bottom Bracket Drop	75mm	75mm	75mm
Bottom Bracket Height	326.2mm	326.2mm	326.2mm
Chainstay Length	450mm	450mm	460mm
Chainstay Length Horizontal	443.7mm	443.7mm	453.8mm
Front-Center	699.3mm	717.2mm	731mm
Front-Center Horizontal	695.3mm	713.3mm	727.2mm
Wheelbase	1139mm	1157mm	1181mm
Fork Offset/Rake	56mm	56mm	56mm
Fork Length (Axle-To-Crown)	485mm	485mm	485mm
Trail	105.6mm very high	105.6mm very high	105.6mm very high
Mechanical Trail	97.5mm	97.5mm	97.5mm
Wheel Flop	37.3mm	37.3mm	37.3mm
Tire to Pedal Spindle	128.1mm 170 mm cranks	146mm 170 mm cranks	159.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	156.2mm 170 mm cranks	156.2mm 170 mm cranks	156.2mm 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://corvuscycles.com/product/akio-2-0/

Geometry