Compare: 2023 BMC Switzerland Kaius 01 One 47 vs 2025 Incolor SSR Base 51-S

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

Design deviates from other sizes of Incolor SSR

Stack	510mm	528mm +18mm
Reach	390mm	375mm -15mm
Stack to Reach Ratio	1.31:1	1.41:1
Seat Tube Length, C-T	428mm	—
Top Tube Length, Effective/Horizontal Center	546mm	522mm -24mm
Top Tube Slope	11.1deg	—
Head Tube Angle	71deg	71.2deg +0.2deg
Seat Tube Angle	73deg	74.5deg +1.5deg
Head Tube Length	85mm	129mm +44mm
Bottom Bracket Drop	80mm	75mm -5mm
Bottom Bracket Height	271mm	266mm -5mm
Chainstay Length	—	405mm
Chainstay Length Horizontal	420mm	398mm -22mm
Front-Center	596mm	592.1mm -3.9mm
Front-Center Horizontal	583mm	587.3mm +4.3mm
Wheelbase	1003mm	985.3mm -17.7mm
Fork Offset/Rake	50mm	55mm +5mm
Fork Length (On-Axis)	—	367mm
Fork Length (Axle-To-Crown)	387mm	—
Trail	68mm high	58mm -10mm mid/neutral
Mechanical Trail	64.3mm	54.9mm -9.4mm
Wheel Flop	20.9mm	17.7mm -3.2mm
Standover Height	684mm	738mm +54mm
Tire to Pedal Spindle	75mm 170 mm cranks	81.1mm +6.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	96mm -5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	40mm	30mm -10mm
Tire Width Max	44mm	—
Tire Outer Diameter	702mm	682mm -20mm
Bike Length with Tires	1705mm	1667.3mm -37.7mm
Crank Length	170mm	—
Stem Length	80mm	—
Stem Angle	-12.5deg	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Disc	Unknown