Compare: 2026 Argon 18 Nitrogen Base XXS vs 2025 Sava Starship Base 490 (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 Sava Starship

Stack	486mm	509.3mm +23.3mm
Reach	370mm	376.3mm +6.3mm
Stack to Reach Ratio	1.31:1	1.35:1
Seat Tube Length, C-TTT	395mm	—
Seat Tube Length, Unknown	—	447mm
Top Tube Length, Effective/Horizontal Center	502mm	—
Top Tube Length, Effective/Horizontal Unknown	—	518mm
Top Tube Slope	10.1deg	9deg -1.1deg
Head Tube Angle	71.2deg	71.75deg +0.55deg
Seat Tube Angle	75deg	74.5deg -0.5deg
Head Tube Length	81mm	110mm +29mm
Bottom Bracket Drop	71mm	72mm +1mm
Bottom Bracket Height	270mm	267mm -3mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.8mm	403.6mm -0.2mm
Front-Center	567.7mm	577.7mm +10mm
Front-Center Horizontal	563.2mm	573.4mm +10.2mm
Wheelbase	967mm	977mm +10mm
Fork Offset/Rake	49mm	50mm +1mm
Fork Length (Axle-To-Crown)	376mm	—
Fork Length, Unknown	—	368mm
Trail	64.3mm mid/neutral	59.1mm -5.2mm mid/neutral
Mechanical Trail	60.9mm	56.2mm -4.7mm
Wheel Flop	19.6mm	17.6mm -2mm
Standover Height	—	732mm
Tire to Pedal Spindle	61.7mm 165 mm cranks	68.7mm +7mm 170 mm cranks
Pedal Spindle to Ground Clearance	105mm 165 mm cranks	97mm -8mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	28mm -2mm
Tire Width Max	34mm	—
Tire Outer Diameter	682mm	678mm -4mm
Bike Length with Tires	1649mm	1655mm +6mm
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