Compare: 2026 Quick Pro UR:ONE Base XL (542) vs 2027 Specialized Bicycles Tarmac SL9 S-Works 61

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Quick Pro UR:ONE

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Stack	603mm	612mm +9mm
Reach	408mm	408mm +0mm
Stack to Reach Ratio	1.48:1	1.5:1
Seat Tube Length, C-TTT	—	545mm
Top Tube Length, Effective/Horizontal Center	590mm	595mm +5mm
Top Tube Slope	—	7.1deg
Head Tube Angle	73.8deg	74deg +0.2deg
Seat Tube Angle	73deg	73deg +0deg
Head Tube Length	195mm	204.4mm +9.4mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	267mm	271mm +4mm
Chainstay Length	408mm	410mm +2mm
Chainstay Length Horizontal	401.6mm	403.6mm +2mm
Front-Center	612.7mm	613mm +0.3mm
Front-Center Horizontal	608.4mm	608.4mm +0mm
Wheelbase	1010mm	1012mm +2mm
Fork Offset/Rake	44mm	44mm +0mm
Fork Length (Axle-To-Crown)	—	369mm
Fork Length, Unknown	370mm	—
Trail	52.7mm mid/neutral	52.6mm -0.1mm mid/neutral
Mechanical Trail	50.6mm	50.5mm -0.1mm
Wheel Flop	14.1mm	13.9mm -0.2mm
Standover Height	818mm	833mm +15mm
Tire to Pedal Spindle	103.7mm 170 mm cranks	95mm -8.7mm 175 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	96mm -1mm 175 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	32mm +4mm
Tire Outer Diameter	678mm	686mm +8mm
Bike Length with Tires	1688mm	1698mm +10mm
Crank Length	—	175mm
Handlebar Width	—	440mm
Stem Length	—	110mm
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	Disc