2026 Polygon · EG
2026 Polygon Tambora AE geometry
Full frame geometry for the 2026 Polygon Tambora AE, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 566 | 367 | 74.5 | 70 | 143 | 523 | 404 | 718 | 77 | 432 | 1023 |
| M | 592 | 381 | 74 | 71.5 | 165 | 550 | 448 | 758 | 77 | 432 | 1030 |
| L | 626 | 395 | 73.5 | 71.7 | 200 | 580 | 492 | 799 | 77 | 432 | 1054 |
| XL | 649 | 409 | 73 | 72 | 223 | 607 | 535 | 835 | 77 | 432 | 1073 |
All measurements in millimetres unless marked (°) for angles.