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

Insights

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

Design deviates from other sizes of TanTan Cycling (Seraph) GR047

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

Design deviates from other sizes of Argon 18 Dark Matter

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

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