2026 Niner · MDB
2026 Niner RKT 9 RDO geometry
Full frame geometry for the 2026 Niner RKT 9 RDO, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 599 | 405 | 75 | 68 | 90 | 561 | 351 | 688 | 40 | 673 | 429 | 1100 | 44 |
| SM | 613 | 420 | 75 | 68 | 95 | 577 | 376 | 698 | 40 | 690 | 429 | 1117 | 44 |
| LG | 626 | 465 | 75 | 68 | 110 | 626 | 446 | 727 | 40 | 740 | 429 | 1167 | 44 |
| MD | 626 | 440 | 75 | 68 | 100 | 599 | 406 | 727 | 40 | 712 | 429 | 1139 | 44 |
| XL | 640 | 497 | 75 | 68 | 120 | 661 | 497 | 778 | 40 | 769 | 429 | 1196 | 44 |
All measurements in millimetres unless marked (°) for angles.