2026 Commencal Supreme DH V5 Signature vs 2024 Specialized Demo Race
The S4 is the Specialized Demo Race size closest to your M Commencal Supreme DH V5 Signature. 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 Specialized Demo Race
Compared with the Commencal Supreme DH V5 Signature in M, the Specialized Demo Race in S4 places the top of the head tube 14 mm lower and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 3 mm longer, which can contribute to stability at speed.
- Frame stack
- −14 mm
- Lower front end
- Frame reach
- +6 mm
- Longer frame reach
- Wheelbase
- +3 mm
- Longer: steadier at speed
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- −4 mm
- Shorter: livelier
The two frames
Commencal Supreme DH V5 Signature, MSpecialized Demo Race, S4Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Commencal Supreme DH V5 Signature M | Specialized Demo Race S4 | Difference |
|---|---|---|---|
| Reach | 460 | 466mm | +6 mm |
| Stack | 646 | 632mm | −14 mm |
| Head tube angle | 63.7 | 62.8° | −0.9° |
| Seat tube angle | 76.1 | 76.8° | +0.7° |
| Effective top tube | 619 | not listed | |
| Chainstay length | 452 | 448mm | −4 mm |
| Wheelbase | 1281 | 1284mm | +3 mm |
| BB drop | not listed | not listed | |
| Seat tube length | 370 | 420mm | +50 mm |
| Fork length | not listed | not listed | |
| Head tube length | 112 | 105mm | −7 mm |
Differences are the Specialized Demo Race minus the Commencal Supreme DH V5 Signature. Full charts: 2026 Commencal Supreme DH V5 Signature, 2024 Specialized Demo Race.
Where each sits in its class
Commencal Supreme DH V5 SignatureSpecialized Demo Race
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 SignatureSignature | Specialized Demo Race |
|---|---|---|
| Frame | Commencal SUPREME DH V5 | not listed |
| Fork | Fox 40 Factory | not listed |
| Rear shock | Fox DHX2 Factory | not listed |
| Shifter | SRAM GX DH | not listed |
| Derailleur | SRAM GX DH | not listed |
| Cassette | SRAM GX DH | not listed |
| Chain | SRAM PC1110 | not listed |
| Crankset | SRAM Descendant DH | not listed |
| Bottom bracket | SRAM DUB | not listed |
| Wheelset | DT Swiss 350 | not listed |
| Tire | Maxxis Minion DHR II, Maxxis Roller | not listed |
| Hub | DT Swiss 350 | not listed |
| Rim | DT Swiss FR571, DT Swiss FR 541 | not listed |
| Brake | SRAM Maven | not listed |
| Rotor | SRAM HS2 | not listed |
| Handlebar | Burgtec Ride Wide | not listed |
| Stem | Burgtec MK3 DH | not listed |
| Grips | ODI Longneck V2.1 | not listed |
| Headset | Cane Creek Serie 40 | not listed |
| Seatpost | Ride Alpha 31.6mm 250mm | not listed |
| Saddle | fizik Gravita Alpaca X5 | not listed |
| Accessory | e*thirteen LG1 | not listed |
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