Compare: 2026 Winspace Cycle Co G5 Base XL vs 2025 Serk Titanium A40 Base XL

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of Winspace Cycle Co G5

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Average stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of Serk Titanium A40

Stack	598mm	613mm +15mm
Reach	399mm	398mm -1mm
Stack to Reach Ratio	1.5:1	1.54:1
Seat Tube Length, C-T	540mm	—
Seat Tube Length, Unknown	—	560mm
Top Tube Length, Effective/Horizontal Center	576mm	—
Top Tube Length, Effective/Horizontal Unknown	—	580mm
Top Tube Slope	8.3deg	7.8deg -0.5deg
Head Tube Angle	71.5deg	71.5deg +0deg
Seat Tube Angle	73.5deg	73.5deg +0deg
Head Tube Length	170mm	192mm +22mm
Bottom Bracket Drop	74mm	73mm -1mm
Bottom Bracket Height	287mm	278mm -9mm
Chainstay Length	427mm	420mm -7mm
Chainstay Length Horizontal	420.5mm	413.6mm -6.9mm
Front-Center	632.8mm	632.6mm -0.2mm
Front-Center Horizontal	628.5mm	628.4mm -0.1mm
Wheelbase	1049mm	1042mm -7mm
Fork Offset/Rake	51mm	47mm -4mm
Fork Length (Axle-To-Crown)	398mm	—
Trail	67mm high	67.9mm +0.9mm high
Mechanical Trail	63.6mm	64.4mm +0.8mm
Wheel Flop	20.2mm	20.4mm +0.2mm
Standover Height	839mm	831mm -8mm
Tire to Pedal Spindle	101.8mm 170 mm cranks	111.6mm +9.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	117mm 170 mm cranks	108mm -9mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	50mm	40mm -10mm
Tire Width Max	58mm	—
Tire Outer Diameter	722mm	702mm -20mm
Bike Length with Tires	1771mm	1744mm -27mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Aero Bar	Drop Bar
Frame Material	Carbon/Composite	Titanium
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Unknown