Compare: 2025 Specialized Bicycles CruX Expert 54 vs 2024 Specialized Bicycles Tarmac SL8 Expert 56

Insights

Average stack and reach vs trend of cyclocross bikes

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL8

Stack	560mm	565mm +5mm
Reach	388mm	395mm +7mm
Stack to Reach Ratio	1.44:1	1.43:1
Seat Tube Length, Unknown	521mm	494mm -27mm
Top Tube Length, Effective/Horizontal Center	549mm	563mm +14mm
Top Tube Slope	6.4deg	9.7deg +3.3deg
Head Tube Angle	71.5deg	73.5deg +2deg
Seat Tube Angle	74deg	73.5deg -0.5deg
Head Tube Length	130mm	157mm +27mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	277mm	265mm -12mm
Chainstay Length	425mm	410mm -15mm
Chainstay Length Horizontal	418.9mm	403.6mm -15.3mm
Front-Center	608mm	592mm -16mm
Front-Center Horizontal	604.1mm	587.4mm -16.7mm
Wheelbase	1023mm	991mm -32mm
Fork Offset/Rake	50mm	44mm -6mm
Fork Length (Axle-To-Crown)	401mm	—
Fork Length, Unknown	—	370mm
Trail	64.1mm mid/neutral	53.9mm -10.2mm mid/neutral
Mechanical Trail	60.7mm	51.7mm -9mm
Wheel Flop	19.3mm	14.7mm -4.6mm
Standover Height	794mm	786mm -8mm
Tire to Pedal Spindle	86.5mm 172.5 mm cranks	82.5mm -4mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	104.5mm 172.5 mm cranks	92.5mm -12mm 172.5 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	38mm	26mm -12mm
Tire Outer Diameter	698mm	674mm -24mm
Bike Length with Tires	1721mm	1665mm -56mm
Crank Length	172.5mm	172.5mm +0mm
Handlebar Width	420mm	420mm +0mm
Stem Length	90mm	100mm +10mm
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