2026
2026 Forbidden Supernought Tier
The 2026 Forbidden Supernought Tier 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 Tier 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
- 2026
- Frame
- Tier
- 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(°) | 68.9 | 71.0 | 72.8 | 74.3 |
| 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 Tier 1
Frame
Forbidden 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 DUB BSA 83 DH
Wheels & Tires
Maxxis ASSEGAI
Maxxis DHRII
crankbrothers Synthesis DH
crankbrothers Synthesis Ratchet
crankbrothers Synthesis DH Alloy 2.0
crankbrothers Synthesis DH Alloy 2.0
Brakes
Cockpit
Seatpost & Saddle
Burgtec Xpress Alloy
fizik Gravita Alpaca X5
Keep your Supernought Tier 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 Tier 2
Frame
Forbidden Supernought Full Carbon
Suspension
RockShox BoXXer Select
RockShox Vivid Coil Select
Drivetrain
SRAM GX DH
SRAM GX DH
SRAM GX DH
SRAM PC1110
SRAM Descendant DH Alloy
SRAM DUB BSA 83 DH
Wheels & Tires
Maxxis ASSEGAI
Maxxis DHRII
crankbrothers Synthesis DH
crankbrothers Synthesis Ratchet
crankbrothers Synthesis DH Alloy 2.0
crankbrothers Synthesis DH Alloy 2.0
Brakes
Cockpit
Seatpost & Saddle
Burgtec Xpress Alloy
fizik Gravita Alpaca X5
Keep your Supernought Tier 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 2026 Forbidden Supernought Tier?
- Geometry is listed for S1, S2, S3, and S4.
- What are the reach and stack of the 2026 Forbidden Supernought Tier in size S3?
- In size S3, reach is 466 mm and stack is 649 mm.
- What is the head tube angle of the 2026 Forbidden Supernought Tier?
- The head tube angle is 63.1 degrees in every size.
- What does the 2026 Forbidden Supernought Tier 1 ship with?
- The stock build includes Forbidden 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 2026 and 2025.
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