2025 Giant · MDB
2025 Giant Reign geometry
Full frame geometry for the 2025 Giant Reign, 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 | 630 | 421 | 77.8 | 63 | 100 | 557 | 400 | 718 | 24 | 443 | 1213 | 44 | 144 |
| M | 635 | 452 | 77.8 | 63 | 105 | 588 | 425 | 738 | 24 | 443 | 1245 | 44 | 144 |
| L | 644 | 471 | 76.9 | 63.1 | 115 | 621 | 450 | 750 | 24 | 443 | 1270 | 44 | 144 |
| XL | 649 | 503 | 76.9 | 63.1 | 120 | 653 | 475 | 766 | 24 | 443 | 1303 | 44 | 144 |
All measurements in millimetres unless marked (°) for angles.