Compare: 2025 Sava Starship Base 580 (XL) vs 2023 TanTan Cycling (Seraph) TT-X34 Base XL / 58

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 TanTan Cycling (Seraph) TT-X34

Stack	580.5mm	584mm +3.5mm
Reach	405mm	399mm -6mm
Stack to Reach Ratio	1.43:1	1.46:1
Seat Tube Length, C-T	—	553mm
Seat Tube Length, Unknown	517mm	—
Top Tube Length, Effective/Horizontal HT Top	—	574mm
Top Tube Length, Effective/Horizontal Unknown	577mm	—
Top Tube Slope	8.7deg	5.6deg -3.1deg
Head Tube Angle	73.5deg	73.8deg +0.3deg
Seat Tube Angle	73.5deg	73.3deg -0.2deg
Head Tube Length	178mm	171mm -7mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	267mm	269mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.6mm +0mm
Front-Center	612mm	598mm -14mm
Front-Center Horizontal	607.9mm	593.7mm -14.2mm
Wheelbase	1011.5mm	997.3mm -14.2mm
Fork Offset/Rake	50mm	45mm -5mm
Fork Length, Unknown	368mm	—
Trail	48.3mm mid/neutral	52.2mm +3.9mm mid/neutral
Mechanical Trail	46.3mm	50.1mm +3.8mm
Wheel Flop	13.1mm	14mm +0.9mm
Standover Height	803mm	—
Tire to Pedal Spindle	103mm 170 mm cranks	87mm -16mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	99mm +2mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	30mm +2mm
Tire Width Max	—	30mm
Tire Outer Diameter	678mm	682mm +4mm
Bike Length with Tires	1689.5mm	1679.3mm -10.2mm
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