2019 Trek · MDB
2019 Trek Top Fuel Alloy MKIII geometry
Full frame geometry for the 2019 Trek Top Fuel Alloy MKIII, size by size — stack, reach, angles and tube lengths.
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Geometry by size
| Size | Stack (mm) | Reach (mm) | Seat angle (°) | Head angle (°) | Head tube (mm) | Top tube (mm) | Seat tube (mm) | Standover (mm) | BB drop (mm) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M-High | 590 | 445 | 75.5 | 68 | 90 | 598 | 419 | 725 | 30 | 720 | 434 | 1152 | 44 | 103 |
| ML-High | 590 | 461 | 75.5 | 68 | 90 | 614 | 445 | 731 | 30 | 736 | 434 | 1168 | 44 | 103 |
| S-High | 590 | 410 | 75.5 | 68 | 90 | 563 | 394 | 720 | 30 | 685 | 434 | 1117 | 44 | 103 |
| M-Low | 594 | 440 | 75 | 67.5 | 90 | 599 | 419 | 720 | 36 | 719 | 435 | 1152 | 44 | 107 |
| ML-Low | 594 | 456 | 75 | 67.5 | 90 | 615 | 445 | 725 | 36 | 735 | 435 | 1168 | 44 | 107 |
| S-Low | 594 | 405 | 75 | 67.5 | 90 | 564 | 394 | 715 | 36 | 684 | 435 | 1117 | 44 | 107 |
| L-High | 599 | 475 | 75.5 | 68 | 100 | 630 | 470 | 741 | 29 | 753 | 434 | 1185 | 44 | 103 |
| L-Low | 603 | 470 | 75 | 67.5 | 100 | 632 | 470 | 735 | 36 | 753 | 435 | 1186 | 44 | 107 |
| XL-High | 608 | 492 | 75.5 | 68 | 110 | 650 | 521 | 761 | 29 | 774 | 434 | 1206 | 44 | 103 |
| XL-Low | 612 | 487 | 75 | 67.5 | 110 | 651 | 521 | 755 | 36 | 774 | 435 | 1207 | 44 | 107 |
| XXL-High | 617 | 515 | 75.5 | 68 | 120 | 675 | 559 | 776 | 29 | 800 | 434 | 1233 | 44 | 103 |
| XXL-Low | 622 | 510 | 75 | 67.5 | 120 | 677 | 559 | 770 | 36 | 801 | 435 | 1234 | 44 | 107 |
All measurements in millimetres unless marked (°) for angles.