Compare: 2027 Cervelo Cycles Aspero 5 Base 56 vs 2025 Serk Titanium A40 Base L

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Cervelo Cycles Aspero 5

Average stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Serk Titanium A40

Stack	575mm	590mm +15mm
Reach	395mm	390mm -5mm
Stack to Reach Ratio	1.46:1	1.51:1
Seat Tube Length, Unknown	—	535mm
Top Tube Length, Effective/Horizontal Center	574mm	—
Top Tube Length, Effective/Horizontal Unknown	—	565mm
Top Tube Slope	—	8.1deg
Head Tube Angle	71.6deg	71.5deg -0.1deg
Seat Tube Angle	72.6deg	73.5deg +0.9deg
Head Tube Length	148mm	168mm +20mm
Bottom Bracket Drop	80mm	73mm -7mm
Bottom Bracket Height	273mm	278mm +5mm
Chainstay Length	422.5mm	420mm -2.5mm
Chainstay Length Horizontal	414.9mm	413.6mm -1.3mm
Front-Center	619mm	616.7mm -2.3mm
Front-Center Horizontal	613.8mm	612.4mm -1.4mm
Wheelbase	1028.7mm	1026mm -2.7mm
Wheelbase Max	1029mm	—
Fork Offset/Rake	51.5mm	47mm -4.5mm
Trail	63.2mm mid/neutral	67.9mm +4.7mm high
Mechanical Trail	59.9mm	64.4mm +4.5mm
Wheel Flop	18.9mm	20.4mm +1.5mm
Standover Height	801mm	808mm +7mm
Tire to Pedal Spindle	96mm 170 mm cranks	95.7mm -0.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	103mm 170 mm cranks	108mm +5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	40mm -2mm
Tire Width Max	45mm	—
Tire Outer Diameter	706mm	702mm -4mm
Bike Length with Tires	1734.7mm	1728mm -6.7mm
Crank Length	170mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Titanium
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Unknown