2026 Trek · EDB
2026 Trek Rail+ Gen 5 geometry
Full frame geometry for the 2026 Trek Rail+ Gen 5, 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) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 594 | 435 | 75.3 | 65 | 100 | 562 | 380 | 767 | 12 | 754 | 446 | 1201 | 43 | 119 |
| M | 627 | 455 | 75.3 | 65 | 100 | 591 | 410 | 784 | 18 | 783 | 446 | 1229 | 43 | 127 |
| L | 645 | 495 | 75.2 | 65 | 120 | 638 | 435 | 785 | 17 | 831 | 446 | 1277 | 43 | 127 |
| XL | 668 | 520 | 75.2 | 64.9 | 145 | 669 | 470 | 804 | 17 | 867 | 446 | 1313 | 43 | 127 |
All measurements in millimetres unless marked (°) for angles.