Compare: 2025 ASSISTING FORCE AF01 Base L vs 2027 Cervelo Cycles Aspero 5 Base 58

Insights

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

Design deviates from other sizes of ASSISTING FORCE AF01

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

Design deviates from other sizes of Cervelo Cycles Aspero 5

Stack	601mm	600mm -1mm
Reach	395mm	404mm +9mm
Stack to Reach Ratio	1.52:1	1.49:1
Seat Tube Length, Unknown	478mm	—
Top Tube Length, Effective/Horizontal Center	—	591mm
Top Tube Length, Effective/Horizontal Unknown	573mm	—
Top Tube Slope	15.1deg	—
Head Tube Angle	71deg	71.6deg +0.6deg
Seat Tube Angle	73.5deg	72.6deg -0.9deg
Head Tube Length	178mm	177mm -1mm
Bottom Bracket Drop	76mm	78mm +2mm
Bottom Bracket Height	277mm	275mm -2mm
Chainstay Length	425mm	422.5mm -2.5mm
Chainstay Length Horizontal	418.2mm	415.2mm -3mm
Front-Center	638mm	636mm -2mm
Front-Center Horizontal	633.9mm	631.2mm -2.7mm
Wheelbase	1052mm	1046.4mm -5.6mm
Wheelbase Max	—	1047mm
Fork Offset/Rake	55mm	51.5mm -3.5mm
Fork Length, Unknown	395mm	—
Trail	63.4mm mid/neutral	63.2mm -0.2mm mid/neutral
Mechanical Trail	59.9mm	59.9mm +0mm
Wheel Flop	19.5mm	18.9mm -0.6mm
Standover Height	—	826mm
Tire to Pedal Spindle	115mm 170 mm cranks	110.5mm -4.5mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	107mm 170 mm cranks	102.5mm -4.5mm 172.5 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	42mm	42mm +0mm
Tire Width Max	50mm	45mm -5mm
Tire Outer Diameter	706mm	706mm +0mm
Bike Length with Tires	1758mm	1752.4mm -5.6mm
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