2025 Giant · MDB
2025 Giant Reign SX geometry
Full frame geometry for the 2025 Giant Reign SX, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 635 | 452 | 77.9 | 63.1 | 105 | 588 | 425 | 737 | 25 | 443 | 1228 | 56 | 129.8 |
| L | 644 | 472 | 77 | 63.1 | 115 | 621 | 450 | 750 | 25 | 443 | 1283 | 56 | 130 |
| XL | 648 | 503 | 77 | 63.1 | 120 | 653 | 475 | 766 | 25 | 443 | 1316 | 56 | 130 |
All measurements in millimetres unless marked (°) for angles.