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

Insights

Somewhat aggressive 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	653mm	645mm -8mm
Reach	422mm	409mm -13mm
Stack to Reach Ratio	1.55:1	1.58:1
Seat Tube Length, C-T	585mm	—
Seat Tube Length, Unknown	—	545mm
Top Tube Length, Effective/Horizontal HT Top	629mm	—
Top Tube Length, Effective/Horizontal Unknown	—	607mm
Top Tube Slope	9deg	12.3deg +3.3deg
Head Tube Angle	71deg	72deg +1deg
Seat Tube Angle	72.5deg	73deg +0.5deg
Head Tube Length	203mm	220mm +17mm
Bottom Bracket Drop	76mm	76mm +0mm
Bottom Bracket Height	285mm	277mm -8mm
Chainstay Length	436mm	425mm -11mm
Chainstay Length Horizontal	429.3mm	418.2mm -11.1mm
Front-Center	676mm	656mm -20mm
Front-Center Horizontal	671.7mm	651.9mm -19.8mm
Wheelbase	1101mm	1070mm -31mm
Fork Offset/Rake	48mm	55mm +7mm
Fork Length (Axle-To-Crown)	425mm	—
Fork Length, Unknown	—	395mm
Trail	73.5mm high	56.9mm -16.6mm mid/neutral
Mechanical Trail	69.5mm	54.1mm -15.4mm
Wheel Flop	22.6mm	16.7mm -5.9mm
Standover Height	863mm	—
Tire to Pedal Spindle	145mm 170 mm cranks	133mm -12mm 170 mm cranks
Pedal Spindle to Ground Clearance	115mm 170 mm cranks	107mm -8mm 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	1823mm	1776mm -47mm
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