2026 De Rosa · TD
2026 De Rosa TT03 Disk geometry
Full frame geometry for the 2026 De Rosa TT03 Disk, 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) | BB drop (mm) |
|---|---|---|---|---|---|---|---|---|
| 534 | 469 | 351 | 75 | 70.5 | 75 | 534 | 410 | 65 |
| 546 | 480 | 363 | 75 | 71 | 85 | 546 | 436 | 70 |
| 559 | 490 | 375 | 75 | 71.5 | 93.7 | 559 | 445 | 70 |
| 575 | 500 | 390 | 75 | 72 | 102.4 | 575 | 456 | 70 |
All measurements in millimetres unless marked (°) for angles.