2026 Forbidden · DH
2026 Forbidden Supernought geometry
Full frame geometry for the 2026 Forbidden Supernought, 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) | Standover (mm) | BB drop (mm) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 631 | 420 | 75.8 | 63.1 | 90 | 580 | 400 | 750 | -10.6 | 781 | 431 | 1212 | 46 |
| S2 | 640 | 443 | 75.8 | 63.1 | 100 | 604 | 420 | 760 | -10.6 | 808 | 446 | 1253 | 46 |
| S3 | 649 | 466 | 75.8 | 63.1 | 110 | 629 | 440 | 769 | -10.6 | 835 | 460 | 1295 | 46 |
| S4 | 658 | 488 | 75.8 | 63.1 | 120 | 654 | 470 | 777 | -10.6 | 862 | 475 | 1336 | 46 |
All measurements in millimetres unless marked (°) for angles.