Compare: 2023 BMC Switzerland Kaius 01 One 56 vs 2025 Winspace Cycle Co C5 Aero Base XL

Insights

Average stack and reach vs trend of progressive gravel bikes

Somewhat aggressive stack and reach vs trend of endurance road bikes

Design deviates from other sizes of Winspace Cycle Co C5 Aero

Stack	570mm	571mm +1mm
Reach	405mm	397mm -8mm
Stack to Reach Ratio	1.41:1	1.44:1
Seat Tube Length, C-T	493mm	—
Seat Tube Length, Unknown	—	535mm
Top Tube Length, Effective/Horizontal Center	579mm	—
Top Tube Length, Actual C-C	—	571mm
Top Tube Slope	10.2deg	6.1deg -4.1deg
Head Tube Angle	72deg	72.3deg +0.3deg
Seat Tube Angle	73deg	73.1deg +0.1deg
Head Tube Length	144mm	165mm +21mm
Bottom Bracket Drop	80mm	72mm -8mm
Bottom Bracket Height	271mm	271mm +0mm
Chainstay Length	—	412mm
Chainstay Length Horizontal	420mm	405.7mm -14.3mm
Front-Center	619mm	602.7mm -16.3mm
Front-Center Horizontal	606mm	598.3mm -7.7mm
Wheelbase	1026mm	1004mm -22mm
Fork Offset/Rake	45mm	40mm -5mm
Fork Length (On-Axis)	—	371mm
Fork Length (Axle-To-Crown)	387mm	—
Trail	66.7mm high	67.5mm +0.8mm high
Mechanical Trail	63.5mm	64.3mm +0.8mm
Wheel Flop	19.6mm	19.5mm -0.1mm
Standover Height	780mm	806mm +26mm
Tire to Pedal Spindle	95.5mm 172.5 mm cranks	89.7mm -5.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	98.5mm 172.5 mm cranks	101mm +2.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	32mm -8mm
Tire Width Max	44mm	—
Tire Outer Diameter	702mm	686mm -16mm
Bike Length with Tires	1728mm	1690mm -38mm
Crank Length	172.5mm	—
Stem Length	90mm	—
Stem Angle	-12.5deg	—
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