2026 Polygon · MDB
2026 Polygon Syncline DR geometry
Full frame geometry for the 2026 Polygon Syncline DR, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 587 | 410 | 74.8 | 67.5 | 95 | 570 | 384 | 725 | 38 | 440 | 1217.7 |
| M | 601 | 435 | 74.8 | 67.5 | 105 | 599 | 432 | 726 | 38 | 440 | 1188.9 |
| L | 606 | 460 | 74.8 | 67.5 | 115 | 625 | 470 | 725 | 38 | 440 | 1160 |
| XL | 615 | 485 | 74.8 | 67.5 | 125 | 653 | 510 | 725 | 38 | 440 | 1131 |
All measurements in millimetres unless marked (°) for angles.