2026 Forbidden · G
2026 Forbidden Puritan geometry
Full frame geometry for the 2026 Forbidden Puritan, 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) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 593 | 392 | 73.3 | 67.8 | 110 | 571 | 480 | 737 | 71 | 654 | 418 | 1072 | 45 |
| S2 | 607 | 412 | 73.3 | 67.8 | 125 | 594 | 500 | 753 | 71 | 680 | 428 | 1107 | 45 |
| S3 | 621 | 432 | 73.3 | 67.8 | 140 | 618 | 520 | 769 | 71 | 705 | 438 | 1143 | 45 |
| S4 | 635 | 753 | 73.3 | 67.8 | 155 | 642 | 540 | 786 | 71 | 730 | 448 | 1178 | 45 |
All measurements in millimetres unless marked (°) for angles.