2026 Mason · G
2026 Mason Exposure geometry
Full frame geometry for the 2026 Mason Exposure, 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) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|
| 48 | 536.1 | 359.9 | 74 | 69.5 | 100 | 77 | 435 | 1013 | 50 |
| 50 | 550.2 | 360 | 74 | 69.5 | 115 | 77 | 435 | 1018.4 | 50 |
| 52 | 566.2 | 370.6 | 74 | 70 | 130 | 77 | 435 | 1030 | 50 |
| 54 | 578.3 | 375 | 73 | 70 | 145 | 75 | 435 | 1039.9 | 50 |
| 56 | 589.8 | 379.9 | 73 | 70.5 | 155 | 75 | 435 | 1043.2 | 50 |
| 58 | 604 | 392.9 | 72.5 | 71 | 170 | 73 | 435 | 1057.5 | 50 |
| 60 | 627.7 | 395.9 | 72.5 | 71 | 195 | 73 | 435 | 1068.5 | 50 |
| 62 | 644 | 403.6 | 72.5 | 71.5 | 210 | 73 | 435 | 1076.2 | 50 |
All measurements in millimetres unless marked (°) for angles.