2026 Wilier · G
2026 Wilier Jena geometry
Full frame geometry for the 2026 Wilier Jena, 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) | Chainstay (mm) |
|---|---|---|---|---|---|---|---|---|
| XS | 531 | 363 | 75 | 70 | 100 | 508 | 440 | 423 |
| S | 556 | 372 | 74.3 | 70.5 | 125 | 531 | 470 | 423 |
| M | 582 | 382 | 73.7 | 71 | 150 | 554 | 500 | 423 |
| L | 608 | 391 | 73.1 | 71.5 | 175 | 577 | 530 | 423 |
| XL | 633 | 401 | 72.6 | 72 | 200 | 600 | 570 | 423 |
All measurements in millimetres unless marked (°) for angles.