Compare: 2023 Argon 18 SUM 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 SUM

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Sava Starship

Stack	471mm	509.3mm +38.3mm
Reach	375mm	376.3mm +1.3mm
Stack to Reach Ratio	1.26:1	1.35:1
Seat Tube Length, C-T	395mm	—
Seat Tube Length, Unknown	—	447mm
Top Tube Length, Effective/Horizontal Center	503mm	—
Top Tube Length, Effective/Horizontal Unknown	—	518mm
Top Tube Slope	10.6deg	9deg -1.6deg
Head Tube Angle	71.2deg	71.75deg +0.55deg
Seat Tube Angle	75deg	74.5deg -0.5deg
Head Tube Length	69mm	110mm +41mm
Bottom Bracket Drop	69mm	72mm +3mm
Bottom Bracket Height	270mm	267mm -3mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	404.2mm	403.6mm -0.6mm
Front-Center	567.1mm	577.7mm +10.6mm
Front-Center Horizontal	562.9mm	573.4mm +10.5mm
Wheelbase	967mm	977mm +10mm
Fork Offset/Rake	48.3mm	50mm +1.7mm
Fork Length, Unknown	—	368mm
Trail	64.4mm mid/neutral	59.1mm -5.3mm mid/neutral
Mechanical Trail	61mm	56.2mm -4.8mm
Wheel Flop	19.7mm	17.6mm -2.1mm
Standover Height	675mm	732mm +57mm
Tire to Pedal Spindle	58.1mm 170 mm cranks	68.7mm +10.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	100mm 170 mm cranks	97mm -3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1645mm	1655mm +10mm
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