Compare: 2026 Argon 18 Dark Matter 3D High Stack XXS vs 2022 SPCYCLE SP-G056 Base XS

Insights

Somewhat upright 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 SPCYCLE SP-G056

Stack	543mm	531mm -12mm
Reach	361mm	363mm +2mm
Stack to Reach Ratio	1.5:1	1.46:1
Seat Tube Length, C-T	420mm	—
Seat Tube Length, C-TTT	—	400mm
Top Tube Length, Effective/Horizontal HT Top	507mm	—
Top Tube Length, Effective/Horizontal Unknown	—	505mm
Top Tube Slope	16.3deg	14.9deg -1.4deg
Head Tube Angle	68.5deg	70deg +1.5deg
Seat Tube Angle	75.5deg	75deg -0.5deg
Head Tube Length	95mm	100mm +5mm
Bottom Bracket Drop	80mm	76mm -4mm
Bottom Bracket Height	281mm	275mm -6mm
Chainstay Length	436mm	430mm -6mm
Chainstay Length Horizontal	428.6mm	423.2mm -5.4mm
Front-Center	606.7mm	587mm -19.7mm
Front-Center Horizontal	601.4mm	581.8mm -19.6mm
Wheelbase	1030mm	1005mm -25mm
Fork Offset/Rake	54mm	50mm -4mm
Fork Length (Axle-To-Crown)	425mm	—
Fork Length, Unknown	—	401mm
Trail	84.2mm very high	74.5mm -9.7mm high
Mechanical Trail	78.3mm	70.1mm -8.2mm
Wheel Flop	28.7mm	24mm -4.7mm
Standover Height	713mm	—
Tire to Pedal Spindle	75.7mm 170 mm cranks	66mm -9.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	105mm -6mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	50mm	40mm -10mm
Tire Width Max	57mm	47mm -10mm
Tire Outer Diameter	722mm	702mm -20mm
Bike Length with Tires	1752mm	1707mm -45mm
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