TREK Marlin 4 Gen 3 2026
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Geometry
| 14.5" | 15.5" | 17.5" | 18.5" | 19.5" | 21.5" | 23" | |
|---|---|---|---|---|---|---|---|
| Add to Compare | |||||||
| Reach | 341 | 482 | 430 | 401 | 497 | 491 | 419 |
| Stack | 642 | 560 | 535 | 629 | 698 | 532 | 685 |
| Top Tube (effective) | 579 | 617 | 704 | 606 | 655 | 588 | 645 |
| Seat Tube C-T | 352 | 365 | 390 | 397 | 383 | 422 | 452 |
| Seat Tube C-C | 35 | 43 | 36 | 43 | 54 | 60 | 59 |
| Head Angle | 58 | 58 | 55 | 80 | 81 | 71 | 69 |
| Seat Angle | 73 | 73 | 61 | 63 | 69 | 77 | 82 |
| Head Tube | 73 | 83 | 85 | 89 | 84 | 114 | 136 |
| Chainstay | 417 | 438 | 413 | 490 | 373 | 429 | 419 |
| Wheelbase | 1273 | 966 | 1269 | 1331 | 1215 | 1282 | 1378 |
| Standover | 687 | 598 | 866 | 747 | 778 | 781 | 645 |
| BB Drop | 42 | 46 | 63 | 65 | 57 | 55 | 6 |
| BB Height | 309 | 270 | 250 | 311 | 323 | 323 | 270 |
| Fork Rake / Offset | 48 | 38 | 43 | 34 | 41 | 42 | 42 |
| Trail | 127 | 104 | 110 | 108 | 79 | 101 | 80 |
| Wheel Size | 27.5" | 27.5" | 29" | 29" | 29" | 29" | 29" |
| Seatpost Offset | 4 | 4 | 3 | 4 | 4 | 4 | 4 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
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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