Compare: 2026 Argon 18 Dark Matter 3D High Stack M vs 2025 ASSISTING FORCE AF01 Base L

Insights

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

Design deviates from other sizes of Argon 18 Dark Matter

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

Design deviates from other sizes of ASSISTING FORCE AF01

Stack	606mm	601mm -5mm
Reach	398mm	395mm -3mm
Stack to Reach Ratio	1.52:1	1.52:1
Seat Tube Length, C-T	495mm	—
Seat Tube Length, Unknown	—	478mm
Top Tube Length, Effective/Horizontal HT Top	577mm	—
Top Tube Length, Effective/Horizontal Unknown	—	573mm
Top Tube Slope	13.7deg	15.1deg +1.4deg
Head Tube Angle	71deg	71deg +0deg
Seat Tube Angle	73.7deg	73.5deg -0.2deg
Head Tube Length	151mm	178mm +27mm
Bottom Bracket Drop	78mm	76mm -2mm
Bottom Bracket Height	283mm	277mm -6mm
Chainstay Length	436mm	425mm -11mm
Chainstay Length Horizontal	429mm	418.2mm -10.8mm
Front-Center	634.8mm	638mm +3.2mm
Front-Center Horizontal	630mm	633.9mm +3.9mm
Wheelbase	1059mm	1052mm -7mm
Fork Offset/Rake	48mm	55mm +7mm
Fork Length (Axle-To-Crown)	425mm	—
Fork Length, Unknown	—	395mm
Trail	73.5mm high	63.4mm -10.1mm mid/neutral
Mechanical Trail	69.5mm	59.9mm -9.6mm
Wheel Flop	22.6mm	19.5mm -3.1mm
Standover Height	786mm	—
Tire to Pedal Spindle	103.8mm 170 mm cranks	115mm +11.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	107mm -6mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	50mm	42mm -8mm
Tire Width Max	57mm	50mm -7mm
Tire Outer Diameter	722mm	706mm -16mm
Bike Length with Tires	1781mm	1758mm -23mm
Suspension Type	Rigid, 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