Compare: 2022 Serk Titanium A30 Base L vs 2025 Winspace Cycle Co C5 Aero Base XL

Insights

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Serk Titanium A30

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Winspace Cycle Co C5 Aero

Stack	575mm	571mm -4mm
Reach	390mm	397mm +7mm
Stack to Reach Ratio	1.47:1	1.44:1
Seat Tube Length, C-T	530mm	—
Seat Tube Length, Unknown	—	535mm
Top Tube Length, Effective/Horizontal HT Top	567mm	—
Top Tube Length, Actual C-C	—	571mm
Top Tube Slope	7.1deg	6.1deg -1deg
Head Tube Angle	73deg	72.3deg -0.7deg
Seat Tube Angle	73deg	73.1deg +0.1deg
Head Tube Length	156mm	165mm +9mm
Bottom Bracket Drop	73mm	72mm -1mm
Bottom Bracket Height	268mm	271mm +3mm
Chainstay Length	418mm	412mm -6mm
Chainstay Length Horizontal	411.6mm	405.7mm -5.9mm
Front-Center	592.9mm	602.7mm +9.8mm
Front-Center Horizontal	588.4mm	598.3mm +9.9mm
Wheelbase	1000mm	1004mm +4mm
Fork Offset/Rake	43mm	40mm -3mm
Fork Length (On-Axis)	—	371mm
Trail	59.3mm mid/neutral	67.5mm +8.2mm high
Mechanical Trail	56.7mm	64.3mm +7.6mm
Wheel Flop	16.6mm	19.5mm +2.9mm
Standover Height	—	806mm
Tire to Pedal Spindle	81.9mm 170 mm cranks	89.7mm +7.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	101mm +3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	32mm +2mm
Tire Outer Diameter	682mm	686mm +4mm
Bike Length with Tires	1682mm	1690mm +8mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Titanium	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.serk.cc/a30-2/	https://www.winspace.cc/product/c5-aero/?v=0b3b97fa6688
Brand	Serk Titanium	Winspace Cycle Co
Bike	2022 A30 Base	2025 C5 Aero Base
Size	L	XL
Category	Endurance Road	Endurance Road