2026 KTM · RD
2026 KTM Revelator Alto geometry
Full frame geometry for the 2026 KTM Revelator Alto, 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) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 519.2 | 361.1 | 74 | 71.5 | 115 | 510 | 440 | 733 | 72 | 410 | 959.7 |
| S | 535.2 | 376.5 | 74 | 72 | 130 | 530 | 470 | 757 | 72 | 410 | 975.9 |
| M | 549.5 | 387.2 | 73.5 | 72 | 145 | 550 | 500 | 778 | 72 | 410 | 991.2 |
| L | 558.7 | 392.2 | 73 | 72.5 | 155 | 563 | 520 | 794 | 70 | 410 | 995.3 |
| XL | 571 | 396 | 72.5 | 72.5 | 170 | 576 | 540 | 811 | 68 | 410 | 1004 |
All measurements in millimetres unless marked (°) for angles.