2026 Polygon · RD
2026 Polygon Helios A geometry
Full frame geometry for the 2026 Polygon Helios A, size by size — stack, reach, angles and tube lengths.
Does this bike fit you?
Get sized in minutes — no tape measure, no appointment.
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XXXS | 493 | 370 | 75 | 71 | 90 | 502 | 395 | 662 | 78 | 410 | 969 |
| XXS | 503 | 375 | 74.7 | 71.3 | 100 | 513 | 420 | 685 | 78 | 410 | 976 |
| XS | 511 | 385 | 74.3 | 71.5 | 110 | 529 | 457 | 720 | 75.5 | 410 | 988 |
| S | 523 | 390 | 74 | 72.3 | 120 | 540 | 489 | 752 | 73 | 410 | 985 |
| M | 533 | 400 | 73.7 | 72.5 | 130 | 556 | 499 | 761 | 73 | 410 | 996 |
| L | 551 | 405 | 73.3 | 72.8 | 150 | 570 | 518 | 780 | 71.5 | 410 | 1005 |
| XL | 571 | 420 | 73 | 73 | 170 | 598 | 536 | 799 | 71.5 | 410 | 1024 |
All measurements in millimetres unless marked (°) for angles.