2026 Alan · G
2026 Alan Super Gravel geometry
Full frame geometry for the 2026 Alan Super Gravel, 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) | BB drop (mm) | Chainstay (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| XS | 535 | 366 | 75 | 70 | 115 | 500 | 480 | 72 | 430 | 50 |
| S | 554 | 366 | 74.5 | 70 | 135 | 520 | 500 | 72 | 430 | 50 |
| M | 567 | 372 | 74 | 70.5 | 147 | 535 | 520 | 72 | 430 | 50 |
| L | 582 | 378 | 73.5 | 71 | 159 | 550 | 540 | 72 | 430 | 45 |
| XL | 600 | 386 | 73.5 | 71 | 178 | 565 | 560 | 72 | 430 | 45 |
| XXL | 624 | 400 | 73 | 71 | 203 | 590 | 580 | 72 | 430 | 45 |
All measurements in millimetres unless marked (°) for angles.