Compare: 2023 TanTan Cycling (Seraph) TT-X38 Base 47 vs 2025 Colnago V5RS Base 42

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 Colnago V5RS

Stack	509mm	509mm +0mm
Reach	370mm	371mm +1mm
Stack to Reach Ratio	1.38:1	1.37:1
Seat Tube Length, C-T	470mm	420mm -50mm
Top Tube Length, Effective/Horizontal Center	511mm	—
Top Tube Length, Effective/Horizontal HT Top	—	503mm
Top Tube Slope	6.5deg	12.1deg +5.6deg
Head Tube Angle	70.5deg	70.6deg +0.1deg
Seat Tube Angle	74.5deg	75.5deg +1deg
Head Tube Length	110mm	101mm -9mm
Bottom Bracket Drop	70mm	74mm +4mm
Bottom Bracket Height	269mm	265mm -4mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	404mm	401.2mm -2.8mm
Front-Center	578mm	579mm +1mm
Front-Center Horizontal	573.8mm	574.3mm +0.5mm
Wheelbase	977.7mm	975.5mm -2.2mm
Fork Offset/Rake	45mm	47mm +2mm
Fork Length (Axle-To-Crown)	—	377mm
Trail	72.3mm high	69.6mm -2.7mm high
Mechanical Trail	68.2mm	65.6mm -2.6mm
Wheel Flop	22.8mm	21.8mm -1mm
Standover Height	—	683mm
Tire to Pedal Spindle	69mm 170 mm cranks	70mm +1mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	95mm -4mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1655.7mm	1653.5mm -2.2mm
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

Actions	Collection I've Ridden	Collection I've Ridden
Source	N/A	https://www.colnago.com/en/premium-bikes/v5rs-bike/technical-specifications
Brand	TanTan Cycling (Seraph)	Colnago
Bike	2023 TT-X38 Base	2025 V5RS Base
Size	47	42
Category	Performance Road	Performance Road