Compare: 2021 Wilier Triestina 0 SL XS vs 2025 Winspace Cycle Co C5 Aero Base XS

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 endurance road bikes

Design deviates from other sizes of Winspace Cycle Co C5 Aero

Stack	503mm	512mm +9mm
Reach	376mm	365mm -11mm
Stack to Reach Ratio	1.34:1	1.4:1
Seat Tube Length, C-T	430mm	—
Seat Tube Length, C-C	412mm	—
Seat Tube Length, Unknown	—	435mm
Top Tube Length, Effective/Horizontal HT Top	511mm	—
Top Tube Length, Actual C-C	—	499mm
Top Tube Slope	10.2deg	10.9deg +0.7deg
Head Tube Angle	70.5deg	70.6deg +0.1deg
Seat Tube Angle	75.2deg	75.35deg +0.15deg
Head Tube Length	102mm	110mm +8mm
Bottom Bracket Drop	—	72mm
Bottom Bracket Height	—	271mm
Chainstay Length	407mm	412mm +5mm
Chainstay Length Horizontal	—	405.7mm
Front-Center	—	571.9mm
Front-Center Horizontal	—	567.3mm
Wheelbase	977mm	973mm -4mm
Fork Offset/Rake	—	45mm
Fork Length (On-Axis)	—	371mm
Trail	— —	73.1mm high
Mechanical Trail	—	68.9mm
Wheel Flop	—	22.9mm
Standover Height	—	728mm
Tire to Pedal Spindle	— 170 mm cranks	58.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	— 170 mm cranks	101mm 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	1655mm	1659mm +4mm
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	https://www.winspace.cc/product/c5-aero/?v=0b3b97fa6688
Brand	Wilier Triestina	Winspace Cycle Co
Bike	2021 0 SL	2025 C5 Aero Base
Size	XS	XS
Category	Performance Road	Endurance Road