Compare: 2023 BMC Switzerland Kaius 01 One 51 vs 2025 Incolor SSR Base 54-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

Design deviates from other sizes of Incolor SSR

Stack	530mm	543mm +13mm
Reach	397mm	382mm -15mm
Stack to Reach Ratio	1.34:1	1.42:1
Seat Tube Length, C-T	452mm	—
Top Tube Length, Effective/Horizontal Center	559mm	538mm -21mm
Top Tube Slope	10.5deg	—
Head Tube Angle	71deg	72deg +1deg
Seat Tube Angle	73deg	74deg +1deg
Head Tube Length	106mm	140mm +34mm
Bottom Bracket Drop	80mm	75mm -5mm
Bottom Bracket Height	271mm	266mm -5mm
Chainstay Length	—	405mm
Chainstay Length Horizontal	420mm	398mm -22mm
Front-Center	610mm	591.4mm -18.6mm
Front-Center Horizontal	597mm	586.6mm -10.4mm
Wheelbase	1017mm	984.6mm -32.4mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length (On-Axis)	—	367mm
Fork Length (Axle-To-Crown)	387mm	—
Trail	68mm high	58.2mm -9.8mm mid/neutral
Mechanical Trail	64.3mm	55.4mm -8.9mm
Wheel Flop	20.9mm	17.1mm -3.8mm
Standover Height	722mm	754mm +32mm
Tire to Pedal Spindle	89mm 170 mm cranks	80.4mm -8.6mm 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	1719mm	1666.6mm -52.4mm
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	Unknown
Fork Material	Carbon/Composite	Unknown
Brake Type	Disc	Unknown