2019 Trek · MH
2019 Trek 820 geometry
Full frame geometry for the 2019 Trek 820, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 544 | 389 | 73.5 | 70.5 | 110 | 550 | 406 | 738 | 30 | 612 | 430 | 1040 | 40 | 76 |
| XS | 544 | 368 | 74 | 70.5 | 110 | 524 | 330 | 705 | 30 | 591 | 430 | 1019 | 40 | 76 |
| ML | 563 | 398 | 73.5 | 70.5 | 130 | 565 | 457 | 772 | 30 | 629 | 430 | 1057 | 40 | 76 |
| L | 582 | 402 | 73 | 70.5 | 150 | 580 | 495 | 799 | 30 | 640 | 430 | 1068 | 40 | 76 |
| XL | 601 | 406 | 73 | 70.5 | 170 | 590 | 533 | 827 | 30 | 651 | 430 | 1079 | 40 | 76 |
| XXL | 619 | 405 | 72.5 | 70.5 | 190 | 600 | 572 | 857 | 30 | 656 | 430 | 1084 | 40 | 76 |
All measurements in millimetres unless marked (°) for angles.