Compare: 2026 Argon 18 Nitrogen Base XXS vs 2026 XMCS Aero Racing Base XS

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of XMCS Aero Racing

Stack	486mm	509mm +23mm
Reach	370mm	373mm +3mm
Stack to Reach Ratio	1.31:1	1.36:1
Seat Tube Length, C-TTT	395mm	—
Seat Tube Length, Unknown	—	450mm
Top Tube Length, Effective/Horizontal Center	502mm	505mm +3mm
Top Tube Slope	10.1deg	8.6deg -1.5deg
Head Tube Angle	71.2deg	71.25deg +0.05deg
Seat Tube Angle	75deg	75.5deg +0.5deg
Head Tube Length	81mm	97.4mm +16.4mm
Bottom Bracket Drop	71mm	74mm +3mm
Bottom Bracket Height	270mm	272mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.8mm	403.3mm -0.5mm
Front-Center	567.7mm	571mm +3.3mm
Front-Center Horizontal	563.2mm	565.7mm +2.5mm
Wheelbase	967mm	969mm +2mm
Fork Offset/Rake	49mm	47mm -2mm
Fork Length (On-Axis)	—	375mm
Fork Length (Axle-To-Crown)	376mm	—
Trail	64.3mm mid/neutral	67.8mm +3.5mm high
Mechanical Trail	60.9mm	64.2mm +3.3mm
Wheel Flop	19.6mm	20.6mm +1mm
Standover Height	—	726mm
Tire to Pedal Spindle	61.7mm 165 mm cranks	55mm -6.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 165 mm cranks	102mm -3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	35mm +5mm
Tire Width Max	34mm	35mm +1mm
Tire Outer Diameter	682mm	692mm +10mm
Bike Length with Tires	1649mm	1661mm +12mm
Crank Length	165mm	—
Handlebar Width	360mm	—
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