2026 Marin · MHB
2026 Marin San Quentin geometry
Full frame geometry for the 2026 Marin San Quentin, 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 | 618 | 422 | 77 | 64 | 110 | 564.7 | 310 | 627.7 | 50 | 425 | 1173.4 | 37 |
| M | 622.5 | 450 | 77 | 64 | 115 | 593.7 | 340 | 656.4 | 50 | 425 | 1203.6 | 37 |
| L | 645 | 470 | 77 | 64 | 125 | 619 | 410 | 688 | 50 | 430 | 1236 | 44 |
| XL | 650 | 500 | 77 | 64 | 130 | 650 | 420 | 695 | 50 | 430 | 1268 | 44 |
All measurements in millimetres unless marked (°) for angles.