Compare: 2025 Sava Starship Base 560 (L) vs 2026 Argon 18 Sum Pro M

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Sava Starship

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Sum

Stack	554.5mm	564mm +9.5mm
Reach	398mm	390mm -8mm
Stack to Reach Ratio	1.39:1	1.45:1
Seat Tube Length, Unknown	496mm	505mm +9mm
Top Tube Length, Effective/Horizontal Unknown	562mm	557mm -5mm
Top Tube Slope	8.3deg	8.5deg +0.2deg
Head Tube Angle	73.5deg	72.7deg -0.8deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	151mm	151mm +0mm
Bottom Bracket Drop	72mm	77mm +5mm
Bottom Bracket Height	267mm	259mm -8mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	402.7mm -0.9mm
Front-Center	597.4mm	592.3mm -5.1mm
Front-Center Horizontal	593.1mm	587.3mm -5.8mm
Wheelbase	996.7mm	990mm -6.7mm
Fork Offset/Rake	50mm	44mm -6mm
Fork Length, Unknown	368mm	374mm +6mm
Trail	48.3mm mid/neutral	58.6mm +10.3mm mid/neutral
Mechanical Trail	46.3mm	55.9mm +9.6mm
Wheel Flop	13.1mm	16.6mm +3.5mm
Standover Height	780mm	—
Tire to Pedal Spindle	88.4mm 170 mm cranks	83.8mm -4.6mm 172.5 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	86.5mm -10.5mm 172.5 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	25mm -3mm
Tire Width Max	—	32mm
Tire Outer Diameter	678mm	672mm -6mm
Bike Length with Tires	1674.7mm	1662mm -12.7mm
Crank Length	—	172.5mm
Handlebar Width	—	44cm
Stem Length	—	100mm
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