2026 Marin · MDB
2026 Marin Rift Zone geometry
Full frame geometry for the 2026 Marin Rift Zone, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 600.7 | 430 | 77 | 65.5 | 120 | 568.7 | 390 | 677.8 | 20 | 430 | 1164.8 | 44 |
| M | 605.2 | 450 | 77 | 65.5 | 125 | 589.7 | 400 | 687.8 | 20 | 430 | 1186.9 | 44 |
| L | 637.3 | 485 | 77 | 65.5 | 125 | 632.1 | 425 | 701.7 | 35 | 430 | 1234.4 | 44 |
| XL | 641.8 | 515 | 77 | 65.5 | 130 | 663.2 | 430 | 700.5 | 35 | 430 | 1266.3 | 44 |
All measurements in millimetres unless marked (°) for angles.