2026 Stevens · MH
2026 Stevens Tonga geometry
Full frame geometry for the 2026 Stevens Tonga, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14 | 558 | 385 | 74.5 | 69 | 90 | 540 | 355 | 705 | 50 | 627 | 435 | 1057 | 42 |
| 16 | 562 | 409 | 74.5 | 69 | 95 | 565 | 406 | 735 | 50 | 653 | 435 | 1083 | 42 |
| 18 | 608 | 415 | 73.5 | 70 | 100 | 595 | 457 | 770 | 70 | 663 | 450 | 1104 | 46 |
| 20 | 618 | 432 | 73.5 | 70 | 110 | 615 | 508 | 803 | 70 | 683 | 450 | 1125 | 46 |
| 22 | 632 | 449 | 73.5 | 70 | 125 | 635 | 558 | 838 | 70 | 705 | 450 | 1146 | 46 |
All measurements in millimetres unless marked (°) for angles.