Compare: 2026 SEKA exaero gr Base 52 vs 2022 Argon 18 Grey Matter 0mm Head Tube Extension XS (47-50)

Insights

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

Design deviates from other sizes of SEKA exaero gr

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

Design deviates from other sizes of Argon 18 Grey Matter

Stack	540mm	545mm +5mm
Reach	375mm	368mm -7mm
Stack to Reach Ratio	1.44:1	1.48:1
Seat Tube Length, C-T	490mm	450mm -40mm
Top Tube Length, Effective/Horizontal Center	526mm	517mm -9mm
Top Tube Slope	7.7deg	12.8deg +5.1deg
Head Tube Angle	71deg	71deg +0deg
Seat Tube Angle	74.3deg	74.9deg +0.6deg
Head Tube Length	111mm	119mm +8mm
Bottom Bracket Drop	74mm	80mm +6mm
Bottom Bracket Height	282mm	269mm -13mm
Chainstay Length	423mm	428mm +5mm
Chainstay Length Horizontal	416.5mm	420.5mm +4mm
Front-Center	593mm	591mm -2mm
Front-Center Horizontal	588.5mm	585.5mm -3mm
Wheelbase	1005mm	1006mm +1mm
Fork Offset/Rake	50mm	54.3mm +4.3mm
Fork Length (Axle-To-Crown)	401mm	—
Trail	69.7mm high	62.7mm -7mm mid/neutral
Mechanical Trail	65.9mm	59.3mm -6.6mm
Wheel Flop	21.5mm	19.3mm -2.2mm
Standover Height	771mm	716mm -55mm
Tire to Pedal Spindle	67mm 170 mm cranks	72mm +5mm 170 mm cranks
Pedal Spindle to Ground Clearance	112mm 170 mm cranks	99mm -13mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	45mm	38mm -7mm
Tire Width Max	52mm	42mm -10mm
Tire Outer Diameter	712mm	698mm -14mm
Bike Length with Tires	1717mm	1704mm -13mm
Crank Length	—	170mm
Handlebar Width	—	40cm
Stem Length	—	80mm
Stem Angle	—	6deg
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Aluminum
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	drive.google.com	www.argon18.com
Brand	SEKA	Argon 18
Bike	2026 exaero gr Base	2022 Grey Matter 0mm Head Tube Extension
Size	52	XS (47-50)
Category	All-road/Gravel	All-road/Gravel