Compare: 2023 TanTan Cycling (Seraph) TT-X38 Base 54 vs 2025 Cervelo Cycles Soloist Frameset 54

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X38

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Cervelo Cycles Soloist

Stack	554mm	540mm -14mm
Reach	388mm	383mm -5mm
Stack to Reach Ratio	1.43:1	1.41:1
Seat Tube Length, C-T	540mm	507mm -33mm
Top Tube Length, Effective/Horizontal Center	551mm	548mm -3mm
Top Tube Slope	3.8deg	5.9deg +2.1deg
Head Tube Angle	72.5deg	73deg +0.5deg
Seat Tube Angle	73.6deg	73deg -0.6deg
Head Tube Length	150mm	130mm -20mm
Bottom Bracket Drop	70mm	72mm +2mm
Bottom Bracket Height	269mm	267mm -2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Max	—	410mm
Chainstay Length Horizontal	404mm	403.6mm -0.4mm
Chainstay Length Horizontal Max	—	403.6mm
Front-Center	592mm	578mm -14mm
Front-Center Horizontal	587.9mm	573.5mm -14.4mm
Wheelbase	991.8mm	977.1mm -14.7mm
Wheelbase Max	—	977mm
Fork Offset/Rake	45mm	45.5mm +0.5mm
Trail	59.7mm mid/neutral	56.1mm -3.6mm mid/neutral
Mechanical Trail	56.9mm	53.6mm -3.3mm
Wheel Flop	17.1mm	15.7mm -1.4mm
Standover Height	—	774mm
Tire to Pedal Spindle	83mm 170 mm cranks	69mm -14mm 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	28mm	28mm +0mm
Tire Width Max	32mm	—
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1669.8mm	1655.1mm -14.7mm
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