Compare: 2026 Argon 18 Sum Pro XS vs 2025 Sava Starship Base 490 (XS)

Insights

Average 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	517mm	509.3mm -7.7mm
Reach	374mm	376.3mm +2.3mm
Stack to Reach Ratio	1.38:1	1.35:1
Seat Tube Length, Unknown	425mm	447mm +22mm
Top Tube Length, Effective/Horizontal Unknown	520mm	518mm -2mm
Top Tube Slope	12.4deg	9deg -3.4deg
Head Tube Angle	72.1deg	71.75deg -0.35deg
Seat Tube Angle	74.5deg	74.5deg +0deg
Head Tube Length	110mm	110mm +0mm
Bottom Bracket Drop	73mm	72mm -1mm
Bottom Bracket Height	263mm	267mm +4mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.5mm	403.6mm +0.1mm
Front-Center	573.2mm	577.7mm +4.5mm
Front-Center Horizontal	568.6mm	573.4mm +4.8mm
Wheelbase	972mm	977mm +5mm
Fork Offset/Rake	48mm	50mm +2mm
Fork Length, Unknown	374mm	368mm -6mm
Trail	58.1mm mid/neutral	59.1mm +1mm mid/neutral
Mechanical Trail	55.3mm	56.2mm +0.9mm
Wheel Flop	17mm	17.6mm +0.6mm
Standover Height	—	732mm
Tire to Pedal Spindle	67.2mm 170 mm cranks	68.7mm +1.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	93mm 170 mm cranks	97mm +4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	28mm +3mm
Tire Width Max	32mm	—
Tire Outer Diameter	672mm	678mm +6mm
Bike Length with Tires	1644mm	1655mm +11mm
Crank Length	170mm	—
Handlebar Width	40cm	—
Stem Length	80mm	—
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