2026 Niner · MHB
2026 Niner AIR 9 geometry
Full frame geometry for the 2026 Niner AIR 9, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SM | 610 | 410 | 74 | 68 | 100 | 585 | 394 | 729 | 52 | 693 | 430 | 1117 |
| XS | 610 | 395 | 74 | 68 | 100 | 570 | 356 | 698 | 52 | 678 | 430 | 1102 |
| MD | 620 | 425 | 74 | 68 | 110 | 603 | 419 | 748 | 52 | 711 | 430 | 1136 |
| LG | 634 | 445 | 74 | 68 | 125 | 627 | 483 | 800 | 52 | 737 | 430 | 1162 |
| XL | 652 | 465 | 74 | 68 | 145 | 652 | 533 | 841 | 52 | 764 | 430 | 1189 |
All measurements in millimetres unless marked (°) for angles.