Compare: 2027 Specialized Bicycles Tarmac SL9 S-Works 54 vs 2025 SPCYCLE SP-R088 Base 54

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

Stack	544mm	545mm +1mm
Reach	384mm	384mm +0mm
Stack to Reach Ratio	1.42:1	1.42:1
Seat Tube Length, C-T	—	474mm
Seat Tube Length, C-TTT	473mm	—
Top Tube Length, Effective/Horizontal Center	540mm	—
Top Tube Length, Effective/Horizontal HT Top	—	540mm
Top Tube Slope	7.7deg	9.9deg +2.2deg
Head Tube Angle	72.5deg	73deg +0.5deg
Seat Tube Angle	74deg	74deg +0deg
Head Tube Length	139.7mm	—
Bottom Bracket Drop	72mm	74mm +2mm
Bottom Bracket Height	271mm	269mm -2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.3mm -0.3mm
Front-Center	587mm	582mm -5mm
Front-Center Horizontal	582.4mm	576.7mm -5.7mm
Wheelbase	986mm	980mm -6mm
Fork Offset/Rake	47mm	46.6mm -0.4mm
Fork Length (Axle-To-Crown)	369mm	—
Trail	58.9mm mid/neutral	56.1mm -2.8mm mid/neutral
Mechanical Trail	56.1mm	53.7mm -2.4mm
Wheel Flop	16.9mm	15.7mm -1.2mm
Standover Height	767mm	—
Tire to Pedal Spindle	71.5mm 172.5 mm cranks	69mm -2.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	98.5mm 172.5 mm cranks	99mm +0.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	32mm +0mm
Tire Outer Diameter	686mm	686mm +0mm
Bike Length with Tires	1672mm	1666mm -6mm
Crank Length	172.5mm	—
Handlebar Width	420mm	—
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	Disc	Disc