2018 Trek · U
2018 Trek FX 1 geometry
Full frame geometry for the 2018 Trek FX 1, 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) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 541 | 394 | 74.5 | 70.5 | 115 | 544 | 381 | 693 | 62 | 445 | 1057 | 70 |
| 17.5 | 555 | 389 | 74 | 70.5 | 130 | 548 | 444 | 735 | 62 | 445 | 1057 | 70 |
| 20 | 589 | 394 | 73.5 | 71.5 | 160 | 568 | 508 | 783 | 62 | 445 | 1058 | 70 |
| 22.5 | 621 | 400 | 73 | 72.5 | 190 | 590 | 571 | 831 | 62 | 445 | 1064 | 62 |
| 25 | 650 | 392 | 72 | 72.5 | 220 | 603 | 635 | 877 | 62 | 445 | 1065 | 62 |
All measurements in millimetres unless marked (°) for angles.