2025 BH · RD
2025 BH Ultralight geometry
Full frame geometry for the 2025 BH Ultralight, 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) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| XS | 513 | 367 | 74.5 | 71.2 | 100 | 510 | 463 | 72.2 | 410 | 973.9 |
| SM | 526 | 374 | 74 | 72.3 | 110 | 525 | 483 | 72 | 410 | 975 |
| MD | 542 | 381 | 73.5 | 72.8 | 126 | 541 | 502 | 70 | 410 | 979 |
| LA | 557 | 389 | 73 | 73 | 140 | 559 | 517 | 70 | 410 | 988 |
| XL | 581 | 397 | 73 | 73 | 165 | 575 | 538 | 70 | 410 | 1004.7 |
All measurements in millimetres unless marked (°) for angles.