2026 Alchemy · MDB
2026 Alchemy Arktos 150 geometry
Full frame geometry for the 2026 Alchemy Arktos 150, 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) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 619.5 | 452 | 76 | 63.8 | 100 | 600 | 410 | 735 | 26 | 784 | 437 | 1222.5 |
| L | 628 | 475 | 76 | 63.8 | 110 | 625 | 445 | 755 | 26 | 811 | 437 | 1250 |
| XL | 652 | 502 | 76 | 63.8 | 120 | 652 | 490 | 765 | 26 | 838 | 437 | 1275 |
All measurements in millimetres unless marked (°) for angles.