Compare: 2023 BMC Switzerland Kaius 01 One 58 vs 2025 incolor VOYAGER Base 57

Insights

Somewhat upright stack and reach vs trend of progressive gravel bikes

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

Design deviates from other sizes of incolor VOYAGER

Stack	595mm	580mm -15mm
Reach	410mm	397mm -13mm
Stack to Reach Ratio	1.45:1	1.46:1
Seat Tube Length, C-T	513mm	—
Top Tube Length, Effective/Horizontal Center	592mm	—
Top Tube Length, Effective/Horizontal Unknown	—	569mm
Top Tube Slope	10.6deg	—
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	73deg	73.5deg +0.5deg
Head Tube Length	170mm	168mm -2mm
Bottom Bracket Drop	80mm	74mm -6mm
Bottom Bracket Height	271mm	277mm +6mm
Chainstay Length	—	415mm
Chainstay Length Horizontal	420mm	408.4mm -11.6mm
Front-Center	632mm	618mm -14mm
Front-Center Horizontal	619mm	613.7mm -5.3mm
Wheelbase	1039mm	1022mm -17mm
Fork Offset/Rake	45mm	49.7mm +4.7mm
Fork Length (Axle-To-Crown)	387mm	—
Fork Length, Unknown	—	380mm
Trail	66.7mm high	61.8mm -4.9mm mid/neutral
Mechanical Trail	63.5mm	58.8mm -4.7mm
Wheel Flop	19.6mm	18.2mm -1.4mm
Standover Height	798mm	806mm +8mm
Tire to Pedal Spindle	106mm 175 mm cranks	97mm -9mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 175 mm cranks	107mm +11mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	40mm +0mm
Tire Width Max	44mm	45mm +1mm
Tire Outer Diameter	702mm	702mm +0mm
Bike Length with Tires	1741mm	1724mm -17mm
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