2026 Orbea · MH
2026 Orbea Onna geometry
Full frame geometry for the 2026 Orbea Onna, size by size — stack, reach, angles and tube lengths.
Does this bike fit you?
Get sized in minutes — no tape measure, no appointment.
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) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS-27.5 | 582 | 365 | 74.5 | 68.5 | 95 | 526 | 350 | 668 | 45 | 430 | 1049 | 42 |
| S-27.5 | 591 | 385 | 74.5 | 68.5 | 105 | 549 | 388 | 705 | 45 | 430 | 1073 | 42 |
| M-29 | 617 | 418 | 74.5 | 68.5 | 95 | 589 | 430 | 739 | 64 | 440 | 1121 | 46 |
| S-29 | 617 | 390 | 74.5 | 68.5 | 95 | 561 | 388 | 705 | 64 | 440 | 1093 | 46 |
| L-29 | 627 | 440 | 74.5 | 68.5 | 105 | 614 | 470 | 770 | 64 | 440 | 1146 | 46 |
| XL-29 | 641 | 468 | 74.5 | 68.5 | 120 | 646 | 540 | 826 | 64 | 440 | 1180 | 46 |
All measurements in millimetres unless marked (°) for angles.