Compare: 2027 Cervelo Cycles Aspero 5 Base 61 vs 2025 Serk Titanium A40 Base XXL

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	625mm	638mm +13mm
Reach	413mm	406mm -7mm
Stack to Reach Ratio	1.51:1	1.57:1
Seat Tube Length, Unknown	—	585mm
Top Tube Length, Effective/Horizontal Center	607mm	—
Top Tube Length, Effective/Horizontal Unknown	—	601mm
Top Tube Slope	—	7.8deg
Head Tube Angle	71.6deg	71.5deg -0.1deg
Seat Tube Angle	72.6deg	73deg +0.4deg
Head Tube Length	203mm	218mm +15mm
Bottom Bracket Drop	78mm	73mm -5mm
Bottom Bracket Height	275mm	278mm +3mm
Chainstay Length	422.5mm	420mm -2.5mm
Chainstay Length Horizontal	415.2mm	413.6mm -1.6mm
Front-Center	653mm	648.5mm -4.5mm
Front-Center Horizontal	648.3mm	644.4mm -3.9mm
Wheelbase	1063.6mm	1058mm -5.6mm
Wheelbase Max	1064mm	—
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	851mm	855mm +4mm
Tire to Pedal Spindle	127.5mm 172.5 mm cranks	127.5mm +0mm 170 mm cranks
Pedal Spindle to Ground Clearance	102.5mm 172.5 mm cranks	108mm +5.5mm 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	1769.6mm	1760mm -9.6mm
Crank Length	172.5mm	—
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