Compare: 2023 BMC Switzerland Kaius 01 One 58 vs 2026 evolve CIMA GR Base L

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of evolve CIMA GR

Stack	595mm	605mm +10mm
Reach	410mm	402mm -8mm
Stack to Reach Ratio	1.45:1	1.5:1
Seat Tube Length, C-T	513mm	—
Seat Tube Length, C-TTT	—	535mm
Top Tube Length, Effective/Horizontal Center	592mm	—
Top Tube Length, Effective/Horizontal Unknown	—	581mm
Top Tube Slope	10.6deg	7.4deg -3.2deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	73deg	73.5deg +0.5deg
Head Tube Length	170mm	174mm +4mm
Bottom Bracket Drop	80mm	78mm -2mm
Bottom Bracket Height	271mm	283mm +12mm
Chainstay Length	—	425mm
Chainstay Length Horizontal	420mm	417.8mm -2.2mm
Front-Center	632mm	631mm -1mm
Front-Center Horizontal	619mm	626.2mm +7.2mm
Wheelbase	1039mm	1044mm +5mm
Fork Offset/Rake	45mm	50mm +5mm
Fork Length (Axle-To-Crown)	387mm	395mm +8mm
Trail	66.7mm high	64.7mm -2mm mid/neutral
Mechanical Trail	63.5mm	61.6mm -1.9mm
Wheel Flop	19.6mm	19mm -0.6mm
Standover Height	798mm	833mm +35mm
Tire to Pedal Spindle	106mm 175 mm cranks	100mm -6mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 175 mm cranks	113mm +17mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	50mm +10mm
Tire Width Max	44mm	—
Tire Outer Diameter	702mm	722mm +20mm
Bike Length with Tires	1741mm	1766mm +25mm
Crank Length	175mm	—
Stem Length	100mm	—
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