2018 Marin · Jump
2018 Marin Alcatraz geometry
Full frame geometry for the 2018 Marin Alcatraz, size by size — stack, reach, angles and tube lengths.
Does this bike fit you?
Get sized in minutes — no tape measure, no appointment.
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) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 576 | 402 | 71 | 69 | 115 | 600 | 320 | 33 | 395 | 1054 |
All measurements in millimetres unless marked (°) for angles.