2026 Simplon · MDB
2026 Simplon Cirex geometry
Full frame geometry for the 2026 Simplon Cirex, 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) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 39/S | 596 | 421 | 75.4 | 67.4 | 89 | 577 | 390 | 40 | 435 | 1134 | 44 |
| 42.5/M | 608 | 446 | 75.4 | 67.4 | 102 | 605 | 425 | 40 | 435 | 1164 | 44 |
| 46.5/L | 620 | 471 | 75.9 | 67.4 | 115 | 627 | 465 | 40 | 435 | 1194 | 44 |
| 51/XL | 632 | 496 | 75.9 | 67.4 | 128 | 655 | 510 | 40 | 435 | 1224 | 44 |
All measurements in millimetres unless marked (°) for angles.