Compare: 2023 TanTan Cycling (Seraph) TT-X34 Base S / 52 vs 2027 Specialized Bicycles Tarmac SL9 S-Works 52

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Stack	533mm	527mm -6mm
Reach	383mm	380mm -3mm
Stack to Reach Ratio	1.39:1	1.39:1
Seat Tube Length, C-T	483mm	—
Seat Tube Length, C-TTT	—	456mm
Top Tube Length, Effective/Horizontal Center	—	531mm
Top Tube Length, Effective/Horizontal HT Top	534mm	—
Top Tube Slope	7.6deg	7.7deg +0.1deg
Head Tube Angle	72.8deg	72.5deg -0.3deg
Seat Tube Angle	74.2deg	74deg -0.2deg
Head Tube Length	121mm	119.8mm -1.2mm
Bottom Bracket Drop	72mm	74mm +2mm
Bottom Bracket Height	269mm	269mm +0mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.3mm -0.3mm
Front-Center	578mm	577mm -1mm
Front-Center Horizontal	573.5mm	571.7mm -1.8mm
Wheelbase	977.1mm	975mm -2.1mm
Fork Offset/Rake	45mm	47mm +2mm
Fork Length (Axle-To-Crown)	—	369mm
Trail	58.5mm mid/neutral	58.9mm +0.4mm mid/neutral
Mechanical Trail	55.8mm	56.1mm +0.3mm
Wheel Flop	16.5mm	16.9mm +0.4mm
Standover Height	—	745mm
Tire to Pedal Spindle	67mm 170 mm cranks	64mm -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	30mm	—
Tire Outer Diameter	682mm	686mm +4mm
Bike Length with Tires	1659.1mm	1661mm +1.9mm
Crank Length	—	170mm
Handlebar Width	—	420mm
Stem Length	—	90mm
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