2026 Wilier · MHB
2026 Wilier Usma SL geometry
Full frame geometry for the 2026 Wilier Usma SL, 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) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|
| S | 597 | 405 | 75 | 67.8 | 84 | 565 | 400 | 425 | 1090 |
| M | 608 | 430 | 75 | 67.8 | 96 | 593 | 440 | 425 | 1120 |
| L | 619 | 454 | 75 | 67.8 | 108 | 620 | 480 | 425 | 1148 |
| XL | 630 | 478 | 75 | 67.8 | 120 | 647 | 520 | 425 | 1177 |
All measurements in millimetres unless marked (°) for angles.