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

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Colnago V5RS

Average stack and reach vs trend of performance road bikes

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

Stack	509mm	509mm +0mm
Reach	371mm	370mm -1mm
Stack to Reach Ratio	1.37:1	1.38:1
Seat Tube Length, C-T	420mm	470mm +50mm
Top Tube Length, Effective/Horizontal Center	—	511mm
Top Tube Length, Effective/Horizontal HT Top	503mm	—
Top Tube Slope	12.1deg	6.5deg -5.6deg
Head Tube Angle	70.6deg	70.5deg -0.1deg
Seat Tube Angle	75.5deg	74.5deg -1deg
Head Tube Length	101mm	110mm +9mm
Bottom Bracket Drop	74mm	70mm -4mm
Bottom Bracket Height	265mm	269mm +4mm
Chainstay Length	408mm	410mm +2mm
Chainstay Length Horizontal	401.2mm	404mm +2.8mm
Front-Center	579mm	578mm -1mm
Front-Center Horizontal	574.3mm	573.8mm -0.5mm
Wheelbase	975.5mm	977.7mm +2.2mm
Fork Offset/Rake	47mm	45mm -2mm
Fork Length (Axle-To-Crown)	377mm	—
Trail	69.6mm high	72.3mm +2.7mm high
Mechanical Trail	65.6mm	68.2mm +2.6mm
Wheel Flop	21.8mm	22.8mm +1mm
Standover Height	683mm	—
Tire to Pedal Spindle	70mm 170 mm cranks	69mm -1mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	99mm +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	1653.5mm	1655.7mm +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	https://www.colnago.com/en/premium-bikes/v5rs-bike/technical-specifications	N/A
Brand	Colnago	TanTan Cycling (Seraph)
Bike	2025 V5RS Base	2023 TT-X38 Base
Size	42	47
Category	Performance Road	Performance Road