Compare: 2023 BMC Switzerland Kaius 01 One 61 vs 2026 evolve CIMA GR Base XL

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

Very upright stack and reach vs trend of progressive gravel bikes

Design deviates from other sizes of evolve CIMA GR

Stack	620mm	630mm +10mm
Reach	414mm	410mm -4mm
Stack to Reach Ratio	1.5:1	1.54:1
Seat Tube Length, C-T	533mm	—
Seat Tube Length, C-TTT	—	570mm
Top Tube Length, Effective/Horizontal Center	604mm	—
Top Tube Length, Effective/Horizontal Unknown	—	597mm
Top Tube Slope	11deg	6.4deg -4.6deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	73deg	73.5deg +0.5deg
Head Tube Length	196mm	201mm +5mm
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	644mm	647mm +3mm
Front-Center Horizontal	631mm	642.2mm +11.2mm
Wheelbase	1051mm	1060mm +9mm
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	818mm	863mm +45mm
Tire to Pedal Spindle	118mm 175 mm cranks	116mm -2mm 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	1753mm	1782mm +29mm
Crank Length	175mm	—
Stem Length	110mm	—
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