Compare: 2023 TanTan Cycling (Seraph) TT-X34 Base XS / 50 vs 2025 Sava Starship Base 490 (XS)

Insights

Average stack and reach vs trend of performance road bikes

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

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Sava Starship

Stack	521mm	509.3mm -11.7mm
Reach	377mm	376.3mm -0.7mm
Stack to Reach Ratio	1.38:1	1.35:1
Seat Tube Length, C-T	453mm	—
Seat Tube Length, Unknown	—	447mm
Top Tube Length, Effective/Horizontal HT Top	521mm	—
Top Tube Length, Effective/Horizontal Unknown	—	518mm
Top Tube Slope	9.6deg	9deg -0.6deg
Head Tube Angle	72.1deg	71.75deg -0.35deg
Seat Tube Angle	74.6deg	74.5deg -0.1deg
Head Tube Length	111mm	110mm -1mm
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	574mm	577.7mm +3.7mm
Front-Center Horizontal	569.5mm	573.4mm +3.9mm
Wheelbase	973.1mm	977mm +3.9mm
Fork Offset/Rake	45mm	50mm +5mm
Fork Length, Unknown	—	368mm
Trail	62.9mm mid/neutral	59.1mm -3.8mm mid/neutral
Mechanical Trail	59.8mm	56.2mm -3.6mm
Wheel Flop	18.4mm	17.6mm -0.8mm
Standover Height	—	732mm
Tire to Pedal Spindle	63mm 170 mm cranks	68.7mm +5.7mm 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	1655.1mm	1655mm -0.1mm
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