Compare: 2023 Onirii ONE Base 47 vs 2026 Argon 18 Sum Pro XXS

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Onirii ONE

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Sum

Stack	514mm	495mm -19mm
Reach	375.3mm	367mm -8.3mm
Stack to Reach Ratio	1.37:1	1.35:1
Seat Tube Length, C-T	431mm	—
Seat Tube Length, Unknown	—	395mm
Top Tube Length, Effective/Horizontal Center	508mm	—
Top Tube Length, Effective/Horizontal Unknown	—	503mm
Top Tube Slope	11.3deg	13.6deg +2.3deg
Head Tube Angle	71.8deg	71.2deg -0.6deg
Seat Tube Angle	75.5deg	75deg -0.5deg
Head Tube Length	110mm	94mm -16mm
Bottom Bracket Drop	74mm	69mm -5mm
Bottom Bracket Height	265mm	267mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	404.2mm +0.9mm
Front-Center	575mm	567.1mm -7.9mm
Front-Center Horizontal	570.2mm	562.9mm -7.3mm
Wheelbase	973.5mm	967mm -6.5mm
Fork Offset/Rake	47mm	48mm +1mm
Fork Length, Unknown	370mm	374mm +4mm
Trail	62mm mid/neutral	63.7mm +1.7mm mid/neutral
Mechanical Trail	58.9mm	60.3mm +1.4mm
Wheel Flop	18.4mm	19.4mm +1mm
Tire to Pedal Spindle	66mm 170 mm cranks	66.1mm +0.1mm 165 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	102mm +7mm 165 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	25mm -3mm
Tire Width Max	—	32mm
Tire Outer Diameter	678mm	672mm -6mm
Bike Length with Tires	1651.5mm	1639mm -12.5mm
Crank Length	—	165mm
Handlebar Width	—	40cm
Stem Length	—	70mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Unknown	Disc