Compare: 2026 Argon 18 Sum Pro XXS 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	495mm	509.3mm +14.3mm
Reach	367mm	376.3mm +9.3mm
Stack to Reach Ratio	1.35:1	1.35:1
Seat Tube Length, Unknown	395mm	447mm +52mm
Top Tube Length, Effective/Horizontal Unknown	503mm	518mm +15mm
Top Tube Slope	13.6deg	9deg -4.6deg
Head Tube Angle	71.2deg	71.75deg +0.55deg
Seat Tube Angle	75deg	74.5deg -0.5deg
Head Tube Length	94mm	110mm +16mm
Bottom Bracket Drop	69mm	72mm +3mm
Bottom Bracket Height	267mm	267mm +0mm
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	48mm	50mm +2mm
Fork Length, Unknown	374mm	368mm -6mm
Trail	63.7mm mid/neutral	59.1mm -4.6mm mid/neutral
Mechanical Trail	60.3mm	56.2mm -4.1mm
Wheel Flop	19.4mm	17.6mm -1.8mm
Standover Height	—	732mm
Tire to Pedal Spindle	66.1mm 165 mm cranks	68.7mm +2.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	102mm 165 mm cranks	97mm -5mm 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	1639mm	1655mm +16mm
Crank Length	165mm	—
Handlebar Width	40cm	—
Stem Length	70mm	—
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