TREK Roscoe Gen 4 2026
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Geometry
| 15.5" | 17.5" | 18.5" | 19.5" | 21.5" | |
|---|---|---|---|---|---|
| Add to Compare | |||||
| Reach | 382 | 372 | 395 | 494 | 413 |
| Stack | 494 | 569 | 654 | 740 | 577 |
| Top Tube (effective) | 500 | 688 | 713 | 564 | 589 |
| Seat Tube C-T | S | M | ML | L | XL |
| Seat Tube C-C | 394 | 448 | 378 | 429 | 457 |
| Head Angle | 72 | 69 | 76 | 54 | 70 |
| Head Tube | 101 | 110 | 88 | 129 | 141 |
| Chainstay | 394 | 429 | 375 | 377 | 477 |
| Wheelbase | 1109 | 1395 | 1151 | 1138 | 1180 |
| Standover | 710 | 800 | 880 | 885 | 633 |
| BB Drop | 44 | 63 | 59 | 57 | 51 |
| BB Height | 258 | 327 | 339 | 357 | 270 |
| Wheel Size | 27.5" | 29" | 29" | 29" | 29" |
| Seatpost Offset | 40 | 52 | 37 | 41 | 36 |
| Rear Travel | 109 | 100 | 105 | 110 | 121 |
| 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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