Compare: 2021 Wilier Triestina 0 SL L vs 2025 TanTan Cycling (Seraph) TT-X65 Base 54

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TanTan Cycling (Seraph) TT-X65

Stack	554mm	561mm +7mm
Reach	391mm	395mm +4mm
Stack to Reach Ratio	1.42:1	1.42:1
Seat Tube Length, C-T	520mm	540mm +20mm
Seat Tube Length, C-C	502mm	—
Top Tube Length, Effective/Horizontal HT Top	556mm	—
Top Tube Length, Effective/Horizontal Unknown	—	558mm
Top Tube Slope	5.9deg	4.5deg -1.4deg
Head Tube Angle	72.65deg	72.5deg -0.15deg
Seat Tube Angle	73.5deg	73.8deg +0.3deg
Head Tube Length	153mm	155mm +2mm
Bottom Bracket Drop	—	72.9mm
Bottom Bracket Height	—	270.1mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	—	401.4mm
Front-Center	—	601mm
Front-Center Horizontal	—	596.6mm
Wheelbase	996mm	998mm +2mm
Fork Offset/Rake	—	45mm
Trail	— —	61mm mid/neutral
Mechanical Trail	—	58.1mm
Wheel Flop	—	17.5mm
Standover Height	—	810mm
Tire to Pedal Spindle	— 170 mm cranks	88mm 170 mm cranks
Pedal Spindle to Ground Clearance	— 170 mm cranks	100.1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	32mm +4mm
Tire Outer Diameter	678mm	686mm +8mm
Bike Length with Tires	1674mm	1684mm +10mm
Crank Length	—	170mm
Handlebar Width	—	38mm
Stem Length	—	100mm
Stem Angle	—	-6deg
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=1185
Brand	Wilier Triestina	TanTan Cycling (Seraph)
Bike	2021 0 SL	2025 TT-X65 Base
Size	L	54
Category	Performance Road	Performance Road