BMC Kaius 01 2024 geometry
BMC Kaius 01 2024 (carbon gravel) has 6 published frame sizes. Stack 510–620 mm; reach 390–414 mm. Sources, weights and tyre clearance where available.
Gravel · carbon · 2024
Archived model
Measurements
Lengths in mm · Angles in degrees Select + beneath a size to compare
| Frame size | 47 | 51 | 54 | 56 | 58 | 61 |
|---|---|---|---|---|---|---|
| Stack mm | 510 | 530 | 550 | 570 | 595 | 620 |
| Reach mm | 390 | 397 | 401 | 405 | 410 | 414 |
| Effective top tube mm | 546 | 559 | 569 | 579 | 592 | 604 |
| Seat tube length mm | 428 | 452 | 468 | 493 | 513 | 533 |
| Head tube length mm | 85 | 106 | 123 | 144 | 170 | 196 |
| Head tube angle ° | 71 | 71 | 72 | 72 | 72 | 72 |
| Seat tube angle ° | 73 | 73 | 73 | 73 | 73 | 73 |
| Chainstay length mm | 420 | 420 | 420 | 420 | 420 | 420 |
| Wheelbase mm | 1003 | 1017 | 1015 | 1026 | 1039 | 1051 |
| Bottom bracket drop mm | 80 | 80 | 80 | 80 | 80 | 80 |
| Bottom bracket height mm | — | — | — | — | — | — |
| Fork length mm | 387 | 387 | 387 | 387 | 387 | 387 |
| Fork offset mm | 50 | 50 | 45 | 45 | 45 | 45 |
| Trail mm | 68 | 68 | 68 | 68 | 68 | 68 |
| Standover height mm | 684 | 722 | 756 | 780 | 798 | 818 |
| Front centre mm | 596 | 610 | 608 | 619 | 632 | 644 |
— Not published in the collected chart. Size labels follow the manufacturer.
Frame and fork weight
- Frame: 910 g · size 56
BMC claimed first-generation Kaius 01 frame, size 56; paint and hardware unspecified.
- Fork: 400 g
BMC claimed first-generation Kaius 01 fork; reference size, paint and steerer length unspecified.
Tyre clearance
- Up to 44 mm · 700C
Manufacturer specifies measured tyre width. Wheel size defaults to 700C for catalogue filtering; not explicitly specified by the source.
Sources
Reviewed 2026-10-01
Measurement and frame notes
- The 2024 Kaius 01 figures are first-generation manufacturer claims reported by BikeRadar.
- Weight source: https://www.bikeradar.com/reviews/bikes/gravel-bikes/bmc-kaius-01-one-review