Compare: 2026 Factor Bikes OSTRO VAM Base 49 vs 2027 Specialized Bicycles Tarmac SL9 S-Works 49

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Factor Bikes OSTRO VAM

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Stack	503mm	514mm +11mm
Reach	370mm	375mm +5mm
Stack to Reach Ratio	1.36:1	1.37:1
Seat Tube Length, C-TTT	—	445mm
Seat Tube Length, Unknown	454mm	—
Top Tube Length, Effective/Horizontal Center	—	508mm
Top Tube Slope	7.6deg	7.4deg -0.2deg
Head Tube Angle	71.1deg	71.75deg +0.65deg
Seat Tube Angle	74.5deg	75.5deg +1deg
Head Tube Length	—	108.8mm
Bottom Bracket Drop	72mm	74mm +2mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	405mm	410mm +5mm
Chainstay Length Horizontal	398.6mm	403.3mm +4.7mm
Front-Center	575mm	574mm -1mm
Front-Center Horizontal	570.5mm	569.7mm -0.8mm
Wheelbase	969mm	973mm +4mm
Fork Offset/Rake	53mm	47mm -6mm
Fork Length (Axle-To-Crown)	—	369mm
Trail	60.7mm mid/neutral	63.6mm +2.9mm mid/neutral
Mechanical Trail	57.5mm	60.4mm +2.9mm
Wheel Flop	18.6mm	18.9mm +0.3mm
Standover Height	737mm	734mm -3mm
Tire to Pedal Spindle	64mm 170 mm cranks	61mm -3mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm +0mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	32mm +2mm
Tire Width Max	32mm	—
Tire Outer Diameter	682mm	686mm +4mm
Bike Length with Tires	1651mm	1659mm +8mm
Crank Length	—	170mm
Handlebar Width	—	400mm
Stem Length	—	80mm
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