TREK Roscoe Gen 4 2026
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Geometry
| 15.5" | 17.5" | 18.5" | 19.5" | 21.5" | |
|---|---|---|---|---|---|
| Add to Compare | |||||
| Reach | 473 | 369 | 399 | 506 | 428 |
| Stack | 592 | 742 | 523 | 725 | 779 |
| Top Tube (effective) | 477 | 657 | 525 | 739 | 661 |
| Seat Tube C-T | S | M | ML | L | XL |
| Seat Tube C-C | 372 | 300 | 471 | 451 | 420 |
| Head Angle | 63 | 69 | 60 | 53 | 64 |
| Head Tube | 96 | 112 | 91 | 110 | 167 |
| Chainstay | 473 | 380 | 457 | 345 | 468 |
| Wheelbase | 1229 | 1104 | 1312 | 1447 | 1430 |
| Standover | 662 | 632 | 732 | 650 | 757 |
| BB Drop | 49 | 58 | 52 | 54 | 49 |
| BB Height | 323 | 355 | 340 | 279 | 355 |
| Wheel Size | 27.5" | 29" | 29" | 29" | 29" |
| Seatpost Offset | 43 | 36 | 47 | 46 | 42 |
| Rear Travel | 144 | 101 | 128 | 136 | 110 |
| 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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