Compare: 2026 Argon 18 Dark Matter 3D High Stack XS vs 2022 TanTan Cycling (Seraph) GR047 Base S

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 TanTan Cycling (Seraph) GR047

Stack	564mm	556mm -8mm
Reach	373mm	372mm -1mm
Stack to Reach Ratio	1.51:1	1.49:1
Seat Tube Length, C-T	435mm	430mm -5mm
Top Tube Length, Effective/Horizontal HT Top	530mm	528mm -2mm
Top Tube Slope	16.5deg	16.2deg -0.3deg
Head Tube Angle	70deg	70.5deg +0.5deg
Seat Tube Angle	74.9deg	74.3deg -0.6deg
Head Tube Length	112mm	125mm +13mm
Bottom Bracket Drop	80mm	76mm -4mm
Bottom Bracket Height	281mm	280mm -1mm
Chainstay Length	436mm	430mm -6mm
Chainstay Length Horizontal	428.6mm	423.2mm -5.4mm
Front-Center	612.7mm	600mm -12.7mm
Front-Center Horizontal	607.4mm	595.2mm -12.2mm
Wheelbase	1036mm	1018.4mm -17.6mm
Fork Offset/Rake	54mm	50mm -4mm
Fork Length (Axle-To-Crown)	425mm	—
Trail	73.9mm high	73mm -0.9mm high
Mechanical Trail	69.5mm	68.8mm -0.7mm
Wheel Flop	23.8mm	23mm -0.8mm
Standover Height	729mm	—
Tire to Pedal Spindle	81.7mm 170 mm cranks	74mm -7.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	110mm -1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	50mm	45mm -5mm
Tire Width Max	57mm	47mm -10mm
Tire Outer Diameter	722mm	712mm -10mm
Bike Length with Tires	1758mm	1730.4mm -27.6mm
Crank Length	—	170mm
Handlebar Width	—	420mm
Stem Length	—	100mm
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