Compare: 2023 BMC Switzerland Kaius 01 One 51 vs 2025 Winspace Cycle Co SLC5.0 Base M

Insights

Somewhat aggressive stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of BMC Switzerland Kaius

Average stack and reach vs trend of performance road bikes

Stack	530mm	535mm +5mm
Reach	397mm	382mm -15mm
Stack to Reach Ratio	1.34:1	1.4:1
Seat Tube Length, C-T	452mm	480mm +28mm
Top Tube Length, Effective/Horizontal Center	559mm	—
Top Tube Length, Actual C-C	—	535mm
Top Tube Slope	10.5deg	8.1deg -2.4deg
Head Tube Angle	71deg	72deg +1deg
Seat Tube Angle	73deg	74deg +1deg
Head Tube Length	106mm	130mm +24mm
Bottom Bracket Drop	80mm	72mm -8mm
Bottom Bracket Height	271mm	271mm +0mm
Chainstay Length	—	406mm
Chainstay Length Horizontal	420mm	399.6mm -20.4mm
Front-Center	610mm	583.9mm -26.1mm
Front-Center Horizontal	597mm	579.4mm -17.6mm
Wheelbase	1017mm	979mm -38mm
Fork Offset/Rake	50mm	45mm -5mm
Fork Length (On-Axis)	—	370mm
Fork Length (Axle-To-Crown)	387mm	—
Trail	68mm high	64.1mm -3.9mm mid/neutral
Mechanical Trail	64.3mm	61mm -3.3mm
Wheel Flop	20.9mm	18.9mm -2mm
Standover Height	722mm	765mm +43mm
Tire to Pedal Spindle	89mm 170 mm cranks	70.9mm -18.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	101mm +0mm 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	1719mm	1665mm -54mm
Crank Length	170mm	—
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