2026 BMC Switzerland Kaius 01 Three 51

Build

700C/29 in × 45 mm

Insights

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

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
541mm
Reach
392mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
449mm
Top Tube Length, Effective/Horizontal HT Top
544mm
Top Tube Slope
12deg
Head Tube Angle
70.8deg
Seat Tube Angle
74.3deg
Head Tube Length
109mm
Bottom Bracket Drop
79mm
Bottom Bracket Height
277mm
Chainstay Length
425mm
Chainstay Length Horizontal
417.6mm
Front-Center
611mm
Front-Center Horizontal
606.4mm
Wheelbase
1024mm
Fork Offset/Rake
50mm
Fork Length (Axle-To-Crown)
397mm
Trail
71mm
high
Mechanical Trail
67.1mm
Wheel Flop
22.1mm
Standover Height
758mm
Tire to Pedal Spindle Distance
With 165 mm cranks
90mm
Pedal Spindle to Ground Clearance
With 165 mm cranks
112mm

01 Three Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
45mm
Tire Outer Diameter
712mm
Bike Length with Tires
1736mm
Crank Length
165mm
Stem Length
90mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://us.bmc-switzerland.com/collections/kaius-01-gravel-bikes/products/kaius-01-three-bikes-bmc-27a-000074#custom_specs_CKanhk