Compare: 2025 ASSISTING FORCE AF01 Base XS vs 2027 Cervelo Cycles Aspero 5 Base 48

Insights

Somewhat aggressive 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	535mm	500mm -35mm
Reach	375mm	369mm -6mm
Stack to Reach Ratio	1.43:1	1.36:1
Seat Tube Length, Unknown	379mm	—
Top Tube Length, Effective/Horizontal Center	—	516mm
Top Tube Length, Effective/Horizontal Unknown	529mm	—
Top Tube Slope	19.6deg	—
Head Tube Angle	70deg	70.6deg +0.6deg
Seat Tube Angle	74deg	74.1deg +0.1deg
Head Tube Length	110mm	75mm -35mm
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	605mm	584mm -21mm
Front-Center Horizontal	600.2mm	578.5mm -21.7mm
Wheelbase	1018mm	993.4mm -24.6mm
Wheelbase Max	—	993mm
Fork Offset/Rake	55mm	57.5mm +2.5mm
Fork Length, Unknown	395mm	—
Trail	70mm high	63.4mm -6.6mm mid/neutral
Mechanical Trail	65.7mm	59.8mm -5.9mm
Wheel Flop	22.5mm	19.9mm -2.6mm
Standover Height	—	720mm
Tire to Pedal Spindle	82mm 170 mm cranks	61mm -21mm 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	1724mm	1699.4mm -24.6mm
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