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

Insights

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

Design deviates from other sizes of SPCYCLE SP-G056

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

Design deviates from other sizes of Argon 18 Dark Matter

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

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	50mm +10mm
Tire Width Max	47mm	57mm +10mm
Tire Outer Diameter	702mm	722mm +20mm
Bike Length with Tires	1707mm	1752mm +45mm
Suspension Type	Rigid, non-suspension corrected	Rigid, suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc