2018 Trek · G
2018 Trek Checkpoint ALR geometry
Full frame geometry for the 2018 Trek Checkpoint ALR, 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) | Chainstay (mm) | Wheelbase (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49 | 532 | 373 | 75 | 71.4 | 90 | 515 | 490 | 723 | 78 | 425 | 995 | 66 |
| 52 | 549 | 379 | 74 | 71.6 | 107 | 536 | 520 | 749 | 78 | 425 | 1005 | 65 |
| 54 | 567 | 383 | 73.5 | 71.8 | 126 | 551 | 540 | 775 | 76 | 425 | 1014 | 64 |
| 56 | 586 | 387 | 73 | 72.2 | 145 | 566 | 560 | 795 | 76 | 425 | 1020 | 61 |
| 58 | 609 | 391 | 73 | 72.3 | 171 | 577 | 580 | 817 | 74 | 425 | 1032 | 61 |
| 61 | 638 | 397 | 73 | 72.6 | 200 | 592 | 610 | 846 | 74 | 425 | 1044 | 59 |
All measurements in millimetres unless marked (°) for angles.