TREK Roscoe Gen 4 2026
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Geometry
| 15.5" | 17.5" | 18.5" | 19.5" | 21.5" | |
|---|---|---|---|---|---|
| Add to Compare | |||||
| Reach | 374 | 372 | 399 | 518 | 495 |
| Stack | 655 | 527 | 638 | 663 | 801 |
| Top Tube (effective) | 483 | 629 | 538 | 612 | 642 |
| Seat Tube C-T | S | M | ML | L | XL |
| Seat Tube C-C | 351 | 415 | 419 | 472 | 484 |
| Head Angle | 58 | 59 | 76 | 73 | 68 |
| Head Tube | 103 | 80 | 88 | 133 | 172 |
| Chainstay | 360 | 413 | 360 | 481 | 459 |
| Wheelbase | 932 | 1409 | 1146 | 1089 | 1433 |
| Standover | 782 | 680 | 626 | 835 | 808 |
| BB Drop | 39 | 72 | 51 | 72 | 64 |
| BB Height | 369 | 335 | 312 | 276 | 318 |
| Wheel Size | 27.5" | 29" | 29" | 29" | 29" |
| Seatpost Offset | 38 | 35 | 42 | 42 | 51 |
| Rear Travel | 104 | 110 | 117 | 115 | 138 |
| Data Source | None | None | None | None | None |
Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.
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