Compare: 2027 Specialized Bicycles Tarmac SL9 S-Works 44 vs 2023 Onirii ONE Base 47

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Onirii ONE

Stack	501mm	514mm +13mm
Reach	366mm	375.3mm +9.3mm
Stack to Reach Ratio	1.37:1	1.37:1
Seat Tube Length, C-T	—	431mm
Seat Tube Length, C-TTT	433mm	—
Top Tube Length, Effective/Horizontal Center	496mm	508mm +12mm
Top Tube Slope	7.4deg	11.3deg +3.9deg
Head Tube Angle	70.5deg	71.8deg +1.3deg
Seat Tube Angle	75.5deg	75.5deg +0deg
Head Tube Length	99.6mm	110mm +10.4mm
Bottom Bracket Drop	74mm	74mm +0mm
Bottom Bracket Height	269mm	265mm -4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.3mm	403.3mm +0mm
Front-Center	572mm	575mm +3mm
Front-Center Horizontal	566.7mm	570.2mm +3.5mm
Wheelbase	970mm	973.5mm +3.5mm
Fork Offset/Rake	47mm	47mm +0mm
Fork Length (Axle-To-Crown)	369mm	—
Fork Length, Unknown	—	370mm
Trail	71.6mm high	62mm -9.6mm mid/neutral
Mechanical Trail	67.5mm	58.9mm -8.6mm
Wheel Flop	22.5mm	18.4mm -4.1mm
Standover Height	722mm	—
Tire to Pedal Spindle	64mm 165 mm cranks	66mm +2mm 170 mm cranks
Pedal Spindle to Ground Clearance	104mm 165 mm cranks	95mm -9mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	28mm -4mm
Tire Outer Diameter	686mm	678mm -8mm
Bike Length with Tires	1656mm	1651.5mm -4.5mm
Crank Length	165mm	—
Handlebar Width	380mm	—
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	Disc	Unknown