Compare: 2027 Cervelo Cycles Aspero 5 Base 61 vs 2025 ASSISTING FORCE AF01 Base XL

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 ASSISTING FORCE AF01

Stack	625mm	624mm -1mm
Reach	413mm	402mm -11mm
Stack to Reach Ratio	1.51:1	1.55:1
Seat Tube Length, Unknown	—	511mm
Top Tube Length, Effective/Horizontal Center	607mm	—
Top Tube Length, Effective/Horizontal Unknown	—	593mm
Top Tube Slope	—	13.8deg
Head Tube Angle	71.6deg	71.5deg -0.1deg
Seat Tube Angle	72.6deg	73deg +0.4deg
Head Tube Length	203mm	200mm -3mm
Bottom Bracket Drop	78mm	76mm -2mm
Bottom Bracket Height	275mm	277mm +2mm
Chainstay Length	422.5mm	425mm +2.5mm
Chainstay Length Horizontal	415.2mm	418.2mm +3mm
Front-Center	653mm	648mm -5mm
Front-Center Horizontal	648.3mm	642.9mm -5.4mm
Wheelbase	1063.6mm	1061mm -2.6mm
Wheelbase Max	1064mm	—
Fork Offset/Rake	51.5mm	55mm +3.5mm
Fork Length, Unknown	—	395mm
Trail	63.2mm mid/neutral	60.1mm -3.1mm mid/neutral
Mechanical Trail	59.9mm	57mm -2.9mm
Wheel Flop	18.9mm	18.1mm -0.8mm
Standover Height	851mm	—
Tire to Pedal Spindle	127.5mm 172.5 mm cranks	125mm -2.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	102.5mm 172.5 mm cranks	107mm +4.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	42mm +0mm
Tire Width Max	45mm	50mm +5mm
Tire Outer Diameter	706mm	706mm +0mm
Bike Length with Tires	1769.6mm	1767mm -2.6mm
Crank Length	172.5mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc