2025 Giant · UD
2025 Giant FastRoad AR geometry
Full frame geometry for the 2025 Giant FastRoad AR, 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) | Fork rake (mm) | Trail (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 551 | 396 | 73.5 | 70.5 | 130 | 559 | 455 | 737 | 76 | 434 | 1046 | 51 | 74 |
| M | 579 | 404 | 73.5 | 71 | 155 | 574 | 475 | 757 | 76 | 434 | 1059 | 51 | 71 |
| ML | 597 | 406 | 73 | 71 | 175 | 589 | 495 | 772 | 76 | 434 | 1069 | 51 | 71 |
| L | 622 | 419 | 73 | 71.5 | 201 | 610 | 526 | 800 | 76 | 434 | 1085 | 51 | 66 |
| XL | 645 | 432 | 73 | 71.5 | 226 | 630 | 556 | 826 | 76 | 434 | 1105 | 51 | 66 |
All measurements in millimetres unless marked (°) for angles.