Compare: 2022 Argon 18 Grey Matter 0mm Head Tube Extension M (54-56) vs 2023 Seaboard GR02 Base 56

Insights

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

Design deviates from other sizes of Argon 18 Grey Matter

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

Stack	585mm	591mm +6mm
Reach	388mm	388mm +0mm
Stack to Reach Ratio	1.51:1	1.52:1
Seat Tube Length, C-T	520mm	—
Seat Tube Length, Unknown	—	560mm
Top Tube Length, Effective/Horizontal Center	560mm	—
Top Tube Length, Effective/Horizontal Unknown	—	557.5mm
Top Tube Slope	9.1deg	5.6deg -3.5deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	73.7deg	74deg +0.3deg
Head Tube Length	160mm	175mm +15mm
Bottom Bracket Drop	75mm	70mm -5mm
Bottom Bracket Height	274mm	278mm +4mm
Chainstay Length	428mm	425mm -3mm
Chainstay Length Horizontal	421.4mm	419.2mm -2.2mm
Front-Center	610.3mm	608.6mm -1.7mm
Front-Center Horizontal	605.6mm	604.6mm -1mm
Wheelbase	1027mm	1023.8mm -3.2mm
Fork Offset/Rake	49.4mm	45mm -4.4mm
Trail	61.5mm mid/neutral	65.8mm +4.3mm high
Mechanical Trail	58.5mm	62.5mm +4mm
Wheel Flop	18.1mm	19.3mm +1.2mm
Standover Height	783mm	—
Tire to Pedal Spindle	88.8mm 172.5 mm cranks	90.6mm +1.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	101.5mm 172.5 mm cranks	108mm +6.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	38mm	37mm -1mm
Tire Width Max	42mm	40mm -2mm
Tire Outer Diameter	698mm	696mm -2mm
Bike Length with Tires	1725mm	1719.8mm -5.2mm
Crank Length	172.5mm	—
Handlebar Width	44cm	—
Stem Length	100mm	—
Stem Angle	6deg	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Aluminum	Aluminum
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	www.argon18.com	tsunamibicycle.com
Brand	Argon 18	Seaboard
Bike	2022 Grey Matter 0mm Head Tube Extension	2023 GR02 Base
Size	M (54-56)	56
Category	All-road/Gravel	All-road/Gravel