Compare: 2023 Onirii ONE Base 56 vs 2026 Argon 18 Sum Pro M

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	567mm	564mm -3mm
Reach	394mm	390mm -4mm
Stack to Reach Ratio	1.44:1	1.45:1
Seat Tube Length, C-T	500mm	—
Seat Tube Length, Unknown	—	505mm
Top Tube Length, Effective/Horizontal Center	562mm	—
Top Tube Length, Effective/Horizontal Unknown	—	557mm
Top Tube Slope	9.3deg	8.5deg -0.8deg
Head Tube Angle	73.5deg	72.7deg -0.8deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	157mm	151mm -6mm
Bottom Bracket Drop	74mm	77mm +3mm
Bottom Bracket Height	265mm	259mm -6mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	402.7mm -0.6mm
Front-Center	594mm	592.3mm -1.7mm
Front-Center Horizontal	589.4mm	587.3mm -2.1mm
Wheelbase	992.6mm	990mm -2.6mm
Fork Offset/Rake	47mm	44mm -3mm
Fork Length, Unknown	370mm	374mm +4mm
Trail	51.4mm mid/neutral	58.6mm +7.2mm mid/neutral
Mechanical Trail	49.3mm	55.9mm +6.6mm
Wheel Flop	14mm	16.6mm +2.6mm
Tire to Pedal Spindle	85mm 170 mm cranks	83.8mm -1.2mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	86.5mm -8.5mm 172.5 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	1670.6mm	1662mm -8.6mm
Crank Length	—	172.5mm
Handlebar Width	—	44cm
Stem Length	—	100mm
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