2018 Giant · MH
2018 Giant ATX MKIII geometry
Full frame geometry for the 2018 Giant ATX 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) | Standover (mm) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|
| XXS (26) | 556 | 390 | 73.5 | 68 | 95 | 555 | 702 | 420 | 1065 |
| XS (26) | 565 | 398 | 73.5 | 68 | 105 | 565 | 710 | 420 | 1076 |
| S (26) | 579 | 403 | 73.5 | 68 | 120 | 575 | 723 | 420 | 1087 |
| S (27.5) | 581 | 403 | 73.5 | 68 | 95 | 575 | 721 | 435 | 1080 |
| M (27.5) | 595 | 408 | 73 | 68 | 110 | 590 | 747 | 435 | 1091 |
| L (27.5) | 628 | 418 | 73 | 68 | 145 | 610 | 789 | 435 | 1114 |
| XL (27.5) | 651 | 431 | 73 | 68 | 170 | 630 | 814 | 435 | 1136 |
All measurements in millimetres unless marked (°) for angles.