2026 Pivot · MDB
2026 Pivot Firebird geometry
Full frame geometry for the 2026 Pivot Firebird, 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) | Standover (mm) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 615 | 410 | 77.6 | 63.8 | 85 | 558 | 365 | 678 | 10 | 430 | 1179 |
| SM | 625 | 440 | 77 | 63.4 | 95 | 596 | 385 | 682 | 13 | 430 | 1217 |
| MD | 637 | 463 | 77 | 63.4 | 108 | 622 | 415 | 687 | 13 | 432 | 1248 |
| LG | 646 | 480 | 77 | 63.4 | 118 | 635 | 440 | 708 | 13 | 434 | 1271 |
| XL | 655 | 500 | 77 | 63.4 | 128 | 657 | 475 | 712 | 13 | 437 | 1306 |
All measurements in millimetres unless marked (°) for angles.