2025
2025 Forbidden Supernought
The 2025 Forbidden Supernought sits in the middle of the range for downhill bikes, with a slacker head angle. Reach 420 to 488 mm, stack 631 to 658 mm. The Supernought 1 build comes with SRAM XX DH Transmission shifting and Maxxis ASSEGAI tires.
Source: forbiddenbike.com. Checked .
Key facts
- Brand
- Forbidden
- Model
- Supernought
- Model year
- 2025
- Type
- Downhill
- Geometry labels
- S1, S2, S3, and S4
- Drivetrain
- Varies by build
- Fork
- Varies by build
- Rear shock
- Varies by build
- Geometry
- Complete for every size
- Source
- forbiddenbike.com
- Checked
Geometry by size
| Measurement | S1 | S2 | S3 | S4 |
|---|---|---|---|---|
| Reach(mm) | 420 | 443 | 466 | 488 |
| Stack(mm) | 631 | 640 | 649 | 658 |
| Head tube angle(°) | 63.1 | 63.1 | 63.1 | 63.1 |
| Seat tube angle(°) | 75.8 | 75.8 | 75.8 | 75.8 |
| Effective top tube(mm) | 580 | 604 | 629 | 654 |
| Wheelbase(mm) | 1212 | 1253 | 1295 | 1336 |
| BB drop(mm) | -10.6 | -10.6 | -10.6 | -10.6 |
| BB height(mm) | 350 | 350 | 350 | 350 |
| Standover(mm) | 750 | 760 | 769 | 777 |
| Seat tube length(mm) | 400 | 420 | 440 | 470 |
| Head tube length(mm) | 90 | 100 | 110 | 120 |
Stock build
Supernought 1
Frame
Supernought Full Carbon
Suspension
RockShox BoXXer Ultimate
RockShox Vivid Coil Ultimate
Drivetrain
SRAM Pod Rocker Controller
SRAM XX DH Transmission
SRAM XX DH
SRAM X0 Eagle Transmission
SRAM XX DH
SRAM 34T
Wheels & Tires
Maxxis ASSEGAI
Maxxis DHRII
crankbrothers Synthesis Ratchet
crankbrothers Synthesis Alloy 2.0 DH
Brakes
SRAM Maven Silver
SRAM HS2
Cockpit
Seatpost & Saddle
Burgtec Xpress
fizik Gravita Alpaca
Cages & Fittings
Keep your Supernought 1 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
Supernought 2
Frame
Supernought Full Carbon
Suspension
RockShox BoXXer Select
RockShox Vivid Coil Select
Drivetrain
Wheels & Tires
Maxxis ASSEGAI
Maxxis DHRII
crankbrothers Synthesis Ratchet
crankbrothers Synthesis Alloy 2.0 DH
Brakes
SRAM Maven Base
SRAM Centerline
Cockpit
Seatpost & Saddle
Burgtec Xpress
fizik Gravita Alpaca
Cages & Fittings
Keep your Supernought 2 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
MManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2025 Forbidden Supernought?
- Geometry is listed for S1, S2, S3, and S4.
- What are the reach and stack of the 2025 Forbidden Supernought in size S3?
- In size S3, reach is 466 mm and stack is 649 mm.
- What is the head tube angle of the 2025 Forbidden Supernought?
- The head tube angle is 63.1 degrees in every size.
- What does the 2025 Forbidden Supernought 1 ship with?
- The stock build includes Supernought Full Carbon, RockShox BoXXer Ultimate, SRAM Pod Rocker Controller, and Maxxis ASSEGAI.
- Which years of the Forbidden Supernought are on Quiver?
- Quiver has the Forbidden Supernought for 2025 and 2026.
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
