Compare: 2026 Argon 18 Equation Base XL 60-62 vs 2026 SEKA exaero gr Base 61

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Argon 18 Equation

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

Design deviates from other sizes of SEKA exaero gr

Stack	623mm	620mm -3mm
Reach	407mm	408mm +1mm
Stack to Reach Ratio	1.53:1	1.52:1
Seat Tube Length, C-T	590mm	580mm -10mm
Top Tube Length, Effective/Horizontal Center	—	598mm
Top Tube Length, Effective/Horizontal HT Top	604mm	—
Top Tube Slope	5.9deg	6.5deg +0.6deg
Head Tube Angle	72.5deg	72.2deg -0.3deg
Seat Tube Angle	72.5deg	73deg +0.5deg
Head Tube Length	189mm	195mm +6mm
Bottom Bracket Drop	75mm	70mm -5mm
Bottom Bracket Height	264mm	286mm +22mm
Chainstay Length	420mm	423mm +3mm
Chainstay Length Horizontal	413.3mm	417.2mm +3.9mm
Front-Center	634.2mm	641mm +6.8mm
Front-Center Horizontal	629.8mm	637.8mm +8mm
Wheelbase	1043mm	1055mm +12mm
Fork Offset/Rake	47mm	50mm +3mm
Fork Length (Axle-To-Crown)	387mm	401mm +14mm
Trail	57.6mm mid/neutral	61.8mm +4.2mm mid/neutral
Mechanical Trail	54.9mm	58.8mm +3.9mm
Wheel Flop	16.5mm	18mm +1.5mm
Standover Height	827mm	858mm +31mm
Tire to Pedal Spindle	125.2mm 170 mm cranks	115mm -10.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	116mm +22mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	45mm +17mm
Tire Width Max	—	52mm
Tire Outer Diameter	678mm	712mm +34mm
Bike Length with Tires	1721mm	1767mm +46mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc