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

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X34

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Sava Starship

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

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