2026 BMC Switzerland Kaius 01 Three 61
Build
700C/29 in × 45 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 631mm |
| Reach | 409mm |
| Stack to Reach Ratio | 1.54:1 |
| Seat Tube Length, C-T | 533mm |
| Top Tube Length, Effective/Horizontal HT Top | 598mm |
| Top Tube Slope | 12.1deg |
| Head Tube Angle | 71.6deg |
| Seat Tube Angle | 73.8deg |
| Head Tube Length | 199mm |
| Bottom Bracket Drop | 79mm |
| Bottom Bracket Height | 277mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 417.6mm |
| Front-Center | 645mm |
| Front-Center Horizontal | 640.4mm |
| Wheelbase | 1058mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 397mm |
| Trail | 71mm high |
| Mechanical Trail | 67.4mm |
| Wheel Flop | 21.3mm |
| Standover Height | 838mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 116.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 104.5mm |
01 Three Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 712mm |
| Bike Length with Tires | 1770mm |
| Crank Length | 172.5mm |
| Stem Length | 110mm |
| 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