2027 Commencal SUPREME DH V5 vs 2025 Forbidden Supernought
The S1 is the Forbidden Supernought size closest to your XS Low Commencal SUPREME DH V5. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Forbidden Supernought
Compared with the Commencal SUPREME DH V5 in XS Low, the Forbidden Supernought in S1 places the top of the head tube 26 mm higher and 19 mm further forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +26 mm
- Higher front end
- Frame reach
- +19 mm
- Longer frame reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- −0.8°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Commencal SUPREME DH V5 is drawn. The Forbidden Supernought numbers we have for size S1 are missing the chainstay length.
Geometry side by side
| Measurement | Commencal SUPREME DH V5 XS Low | Forbidden Supernought S1 | Difference |
|---|---|---|---|
| Reach | 401 mm | 420 | +19 mm |
| Stack | 605 mm | 631 | +26 mm |
| Head tube angle | 63.9° | 63.1 | −0.8° |
| Seat tube angle | 76.4° | 75.8 | −0.6° |
| Chainstay length | 442 mm | not listed | |
| Wheelbase | 1196 mm | 1212 | +16 mm |
| Seat tube length | not listed | 400 | |
| Fork length | not listed | not listed | |
| Head tube length | not listed | 90 | |
| Effective top tube | not listed | 580 | |
| BB drop | not listed | -10.6 | |
| BB height | not listed | 350 | |
| Standover | not listed | 750 |
Differences are the Forbidden Supernought minus the Commencal SUPREME DH V5. Full charts: 2027 Commencal SUPREME DH V5, 2025 Forbidden Supernought.
Where each sits in its class
Commencal SUPREME DH V5Forbidden Supernought
Each bike is ranked against the other downhill bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Commencal SUPREME DH V5 | Forbidden Supernought1 |
|---|---|---|
| Frame | not listed | Supernought Full Carbon |
| Fork | not listed | RockShox BoXXer Ultimate |
| Rear shock | not listed | RockShox Vivid Coil Ultimate |
| Shifter | not listed | SRAM Pod Rocker Controller |
| Derailleur | not listed | SRAM XX DH Transmission |
| Cassette | not listed | SRAM XX DH |
| Chain | not listed | SRAM X0 Eagle Transmission |
| Crankset | not listed | SRAM XX DH |
| Chainring | not listed | SRAM 34T |
| Bottom bracket | not listed | SRAM DUB |
| Tire | not listed | Maxxis ASSEGAI, Maxxis DHRII |
| Hub | not listed | crankbrothers Synthesis Ratchet |
| Rim | not listed | crankbrothers Synthesis Alloy 2.0 DH |
| Brake | not listed | SRAM Maven Silver |
| Rotor | not listed | SRAM HS2 |
| Handlebar | not listed | Burgtec Ride Wide DH |
| Stem | not listed | Burgtec Direct Mount |
| Headset | not listed | Cane Creek 40 |
| Seatpost | not listed | Burgtec Xpress |
| Saddle | not listed | fizik Gravita Alpaca |
| Accessory | not listed | Forbidden HD Guide, E.13 LG1 Plus |
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