Trek FX (Gen 4) geometry
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Size S
Render
Align
Geometry
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Stack mm | 543 | 568 | 594 | 620 | 648 |
| Reach mm | 383 | 385 | 393 | 399 | 409 |
| Head tube angle ° | 70.0 | 70.5 | 71.0 | 71.5 | 72.5 |
| Seat tube angle ° | 75.0 | 74.5 | 74.0 | 73.5 | 72.5 |
| Head tube length mm | 115 | 140 | 165 | 190 | 215 |
| Seat tube mm | 330 | 375 | 420 | 465 | 520 |
| Chainstay mm | 447 | 447 | 447 | 447 | 447 |
| BB drop mm | 65 | 65 | 65 | 65 | 65 |
| Fork rake mm | 50 | 50 | 50 | 50 | 50 |
| Stack to reach | 1.42 | 1.48 | 1.51 | 1.55 | 1.58 |
| Effective top tube mmi | 528 | 543 | 563 | 583 | 613 |
| Wheelbase mmi | 1052 | 1058 | 1070 | 1080 | 1087 |
SizeSkey specs
Stack-to-reach (size S)1.48More aggressive (lower and longer) than 51% of flat-bar frames in the database at comparable sizes.
Closest geometry matches (size S)
Matched by stack, reach and head tube angle.