Compare: 2025 Elves MORI AEROX 59 vs 2026 Argon 18 Anti Matter Base XL

Insights

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

Design deviates from other sizes of Elves MORI

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

Design deviates from other sizes of Argon 18 Anti Matter

Stack	588mm	607mm +19mm
Reach	415mm	409mm -6mm
Stack to Reach Ratio	1.42:1	1.48:1
Seat Tube Length, C-T	—	595mm
Seat Tube Length, Unknown	525mm	—
Top Tube Length, Effective/Horizontal HT Top	—	601mm
Top Tube Length, Effective/Horizontal Unknown	595mm	—
Top Tube Slope	8.6deg	3.9deg -4.7deg
Head Tube Angle	71.5deg	72.2deg +0.7deg
Seat Tube Angle	73deg	72.5deg -0.5deg
Head Tube Length	165mm	176mm +11mm
Bottom Bracket Drop	74mm	76mm +2mm
Bottom Bracket Height	265mm	280mm +15mm
Chainstay Length	430mm	425mm -5mm
Chainstay Length Horizontal	423.6mm	418.2mm -5.4mm
Front-Center	50mm	638.4mm +588.4mm
Front-Center Horizontal	643.4mm	633.9mm -9.5mm
Wheelbase	1067mm	1052mm -15mm
Fork Offset/Rake	56mm	51mm -5mm
Fork Length (Axle-To-Crown)	—	400mm
Trail	54.4mm mid/neutral	60.7mm +6.3mm mid/neutral
Mechanical Trail	51.6mm	57.8mm +6.2mm
Wheel Flop	16.4mm	17.7mm +1.3mm
Standover Height	817mm	866mm +49mm
Tire to Pedal Spindle	-459mm 170 mm cranks	112.4mm +571.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	110mm +15mm 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	45mm	55mm +10mm
Tire Outer Diameter	678mm	712mm +34mm
Bike Length with Tires	1745mm	1764mm +19mm
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