Compare: 2025 ASSISTING FORCE AF01 Base M vs 2027 Cervelo Cycles Aspero 5 Base 56

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	578mm	575mm -3mm
Reach	389mm	395mm +6mm
Stack to Reach Ratio	1.49:1	1.46:1
Seat Tube Length, Unknown	445mm	—
Top Tube Length, Effective/Horizontal Center	—	574mm
Top Tube Length, Effective/Horizontal Unknown	561mm	—
Top Tube Slope	16.4deg	—
Head Tube Angle	71deg	71.6deg +0.6deg
Seat Tube Angle	73.5deg	72.6deg -0.9deg
Head Tube Length	152mm	148mm -4mm
Bottom Bracket Drop	78mm	80mm +2mm
Bottom Bracket Height	275mm	273mm -2mm
Chainstay Length	425mm	422.5mm -2.5mm
Chainstay Length Horizontal	417.8mm	414.9mm -2.9mm
Front-Center	624mm	619mm -5mm
Front-Center Horizontal	619.2mm	613.8mm -5.4mm
Wheelbase	1037mm	1028.7mm -8.3mm
Wheelbase Max	—	1029mm
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	—	801mm
Tire to Pedal Spindle	101mm 170 mm cranks	96mm -5mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 170 mm cranks	103mm -2mm 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	50mm	45mm -5mm
Tire Outer Diameter	706mm	706mm +0mm
Bike Length with Tires	1743mm	1734.7mm -8.3mm
Crank Length	—	170mm
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