Compare: 2021 Wilier Triestina 0 SL XS vs 2025 TanTan Cycling (Seraph) TT-X67 Base 49

Insights

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of Wilier Triestina 0

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X67

Stack	503mm	503mm +0mm
Reach	376mm	370mm -6mm
Stack to Reach Ratio	1.34:1	1.36:1
Seat Tube Length, C-T	430mm	—
Seat Tube Length, C-C	412mm	—
Seat Tube Length, Unknown	—	425mm
Top Tube Length, Effective/Horizontal HT Top	511mm	—
Top Tube Length, Effective/Horizontal Unknown	—	510mm
Top Tube Slope	10.2deg	10.9deg +0.7deg
Head Tube Angle	70.5deg	71deg +0.5deg
Seat Tube Angle	75.2deg	74.5deg -0.7deg
Head Tube Length	102mm	102mm +0mm
Bottom Bracket Drop	—	72mm
Bottom Bracket Height	—	267mm
Chainstay Length	407mm	405mm -2mm
Chainstay Length Horizontal	—	398.6mm
Front-Center	—	574mm
Front-Center Horizontal	—	569.5mm
Wheelbase	977mm	968mm -9mm
Fork Offset/Rake	—	48mm
Fork Length, Unknown	—	370mm
Trail	— —	66mm high
Mechanical Trail	—	62.4mm
Wheel Flop	—	20.3mm
Standover Height	—	760mm
Tire to Pedal Spindle	— 170 mm cranks	65mm 170 mm cranks
Pedal Spindle to Ground Clearance	— 170 mm cranks	97mm 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	1655mm	1646mm -9mm
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://wilier.com/en/my2022/int/racing-bikes/road-bikes/wilier-0-sl	http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1186
Brand	Wilier Triestina	TanTan Cycling (Seraph)
Bike	2021 0 SL	2025 TT-X67 Base
Size	XS	49
Category	Performance Road	Performance Road