Compare: 2023 Seaboard GR02 Base 50 vs 2022 Argon 18 Grey Matter 0mm Head Tube Extension S (51-53)

Insights

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

Design deviates from other sizes of Argon 18 Grey Matter

Stack	562.5mm	565mm +2.5mm
Reach	372mm	378mm +6mm
Stack to Reach Ratio	1.51:1	1.49:1
Seat Tube Length, C-T	—	485mm
Seat Tube Length, Unknown	500mm	—
Top Tube Length, Effective/Horizontal Center	—	538mm
Top Tube Length, Effective/Horizontal Unknown	529mm	—
Top Tube Slope	9.1deg	10.9deg +1.8deg
Head Tube Angle	72deg	71.4deg -0.6deg
Seat Tube Angle	74.5deg	74.3deg -0.2deg
Head Tube Length	145mm	144mm -1mm
Bottom Bracket Drop	70mm	75mm +5mm
Bottom Bracket Height	278mm	274mm -4mm
Chainstay Length	425mm	428mm +3mm
Chainstay Length Horizontal	419.2mm	421.4mm +2.2mm
Front-Center	584.5mm	604.3mm +19.8mm
Front-Center Horizontal	580.3mm	599.6mm +19.3mm
Wheelbase	999.5mm	1021mm +21.5mm
Fork Offset/Rake	45.9mm	53.8mm +7.9mm
Trail	64.8mm mid/neutral	60.7mm -4.1mm mid/neutral
Mechanical Trail	61.6mm	57.6mm -4mm
Wheel Flop	19mm	18.4mm -0.6mm
Standover Height	—	753mm
Tire to Pedal Spindle	66.5mm 170 mm cranks	85.3mm +18.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	108mm 170 mm cranks	104mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	37mm	38mm +1mm
Tire Width Max	40mm	42mm +2mm
Tire Outer Diameter	696mm	698mm +2mm
Bike Length with Tires	1695.5mm	1719mm +23.5mm
Crank Length	—	170mm
Handlebar Width	—	42cm
Stem Length	—	90mm
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	tsunamibicycle.com	www.argon18.com
Brand	Seaboard	Argon 18
Bike	2023 GR02 Base	2022 Grey Matter 0mm Head Tube Extension
Size	50	S (51-53)
Category	All-road/Gravel	All-road/Gravel