Compare: 2022 Argon 18 Grey Matter 0mm Head Tube Extension XXS (44-46) vs 2026 SEKA exaero gr Base 49

Insights

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

Design deviates from other sizes of Argon 18 Grey Matter

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

Design deviates from other sizes of SEKA exaero gr

Stack	525mm	524mm -1mm
Reach	358mm	369mm +11mm
Stack to Reach Ratio	1.47:1	1.42:1
Seat Tube Length, C-T	420mm	460mm +40mm
Top Tube Length, Effective/Horizontal Center	496mm	509mm +13mm
Top Tube Slope	14.3deg	9.3deg -5deg
Head Tube Angle	69.5deg	70.4deg +0.9deg
Seat Tube Angle	75.5deg	75deg -0.5deg
Head Tube Length	104mm	96.4mm -7.6mm
Bottom Bracket Drop	80mm	74mm -6mm
Bottom Bracket Height	269mm	282mm +13mm
Chainstay Length	428mm	423mm -5mm
Chainstay Length Horizontal	420.5mm	416.5mm -4mm
Front-Center	588mm	587mm -1mm
Front-Center Horizontal	582.5mm	582.5mm +0mm
Wheelbase	1003mm	999mm -4mm
Fork Offset/Rake	54.5mm	50mm -4.5mm
Fork Length (Axle-To-Crown)	—	401mm
Trail	72.3mm high	73.7mm +1.4mm high
Mechanical Trail	67.7mm	69.4mm +1.7mm
Wheel Flop	23.7mm	23.3mm -0.4mm
Standover Height	689mm	747mm +58mm
Tire to Pedal Spindle	74mm 165 mm cranks	61mm -13mm 170 mm cranks
Pedal Spindle to Ground Clearance	104mm 165 mm cranks	112mm +8mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	38mm	45mm +7mm
Tire Width Max	42mm	52mm +10mm
Tire Outer Diameter	698mm	712mm +14mm
Bike Length with Tires	1701mm	1711mm +10mm
Crank Length	165mm	—
Handlebar Width	40cm	—
Stem Length	70mm	—
Stem Angle	6deg	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	www.argon18.com	drive.google.com
Brand	Argon 18	SEKA
Bike	2022 Grey Matter 0mm Head Tube Extension	2026 exaero gr Base
Size	XXS (44-46)	49
Category	All-road/Gravel	All-road/Gravel