2026 BMC · GS
2026 BMC Kaius 01 geometry
Full frame geometry for the 2026 BMC Kaius 01, size by size — stack, reach, angles and tube lengths.
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Geometry by size
| Size | Stack (mm) | Reach (mm) | Seat angle (°) | Head angle (°) | Head tube (mm) | Top tube (mm) | Seat tube (mm) | Standover (mm) | BB drop (mm) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 47 | 510 | 390 | 73 | 71 | 85 | 546 | 428 | 684 | 80 | 596 | 420 | 1003 | 50 | 68 |
| 51 | 530 | 397 | 73 | 71 | 106 | 559 | 452 | 722 | 80 | 610 | 420 | 1017 | 50 | 68 |
| 54 | 550 | 401 | 73 | 72 | 123 | 569 | 468 | 756 | 80 | 608 | 420 | 1015 | 45 | 68 |
| 56 | 570 | 405 | 73 | 72 | 144 | 579 | 493 | 780 | 80 | 619 | 420 | 1026 | 45 | 68 |
| 58 | 595 | 410 | 73 | 72 | 170 | 592 | 513 | 798 | 80 | 632 | 420 | 1039 | 45 | 68 |
| 61 | 620 | 414 | 73 | 72 | 196 | 604 | 533 | 818 | 80 | 644 | 420 | 1051 | 45 | 68 |
All measurements in millimetres unless marked (°) for angles.