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

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 SPCYCLE SP-G056

Stack	627mm	633mm +6mm
Reach	410mm	401mm -9mm
Stack to Reach Ratio	1.53:1	1.58:1
Seat Tube Length, C-T	540mm	—
Seat Tube Length, C-TTT	—	530mm
Top Tube Length, Effective/Horizontal HT Top	602mm	—
Top Tube Length, Effective/Horizontal Unknown	—	600mm
Top Tube Slope	11deg	10.8deg -0.2deg
Head Tube Angle	71deg	72deg +1deg
Seat Tube Angle	73.1deg	72.6deg -0.5deg
Head Tube Length	176mm	200mm +24mm
Bottom Bracket Drop	76mm	76mm +0mm
Bottom Bracket Height	285mm	275mm -10mm
Chainstay Length	436mm	430mm -6mm
Chainstay Length Horizontal	429.3mm	423.2mm -6.1mm
Front-Center	655.1mm	639mm -16.1mm
Front-Center Horizontal	650.7mm	634.8mm -15.9mm
Wheelbase	1080mm	1058mm -22mm
Fork Offset/Rake	48mm	50mm +2mm
Fork Length (Axle-To-Crown)	425mm	—
Fork Length, Unknown	—	401mm
Trail	73.5mm high	61.5mm -12mm mid/neutral
Mechanical Trail	69.5mm	58.5mm -11mm
Wheel Flop	22.6mm	18.1mm -4.5mm
Standover Height	825mm	—
Tire to Pedal Spindle	124.1mm 170 mm cranks	118mm -6.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	115mm 170 mm cranks	105mm -10mm 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	1802mm	1760mm -42mm
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