2027 Commencal SUPREME DH V5.2 ROCKSHOX vs 2025 Specialized Demo Race
The S4 is the Specialized Demo Race size closest to your L Low Commencal SUPREME DH V5.2 ROCKSHOX. 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 V5.2 ROCKSHOX in L Low, the Specialized Demo Race in S4 places the top of the head tube 17 mm lower and 18 mm further back, relative to the bottom bracket. Its wheelbase is 27 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −17 mm
- Lower front end
- Frame reach
- −18 mm
- Shorter frame reach
- Wheelbase
- −27 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −6 mm
- Shorter: livelier
The two frames
Commencal SUPREME DH V5.2 ROCKSHOX, L LowSpecialized Demo Race, S4Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Commencal SUPREME DH V5.2 ROCKSHOX L Low | Specialized Demo Race S4 | Difference |
|---|---|---|---|
| Reach | 484 mm | 466mm | −18 mm |
| Stack | 649 mm | 632mm | −17 mm |
| Head tube angle | 63.3° | 62.8° | −0.5° |
| Seat tube angle | 75.7° | 76.8° | +1.1° |
| Effective top tube | 649 mm | not listed | |
| Chainstay length | 454 mm | 448mm | −6 mm |
| Wheelbase | 1311 mm | 1284mm | −27 mm |
| Seat tube length | not listed | 420mm | |
| Fork length | not listed | not listed | |
| Head tube length | not listed | 105mm | |
| BB drop | not listed | 25mm | |
| BB height | not listed | 350mm |
Differences are the Specialized Demo Race minus the Commencal SUPREME DH V5.2 ROCKSHOX. Full charts: 2027 Commencal SUPREME DH V5.2 ROCKSHOX, 2025 Specialized Demo Race.
Where each sits in its class
Commencal SUPREME DH V5.2 ROCKSHOXSpecialized 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 V5.2 ROCKSHOXROCKSHOX | Specialized Demo RaceRace |
|---|---|---|
| Frame | Commencal SUPREME DH V5.2 | not listed |
| Fork | RockShox BoXXer Ultimate | Öhlins DH38 M.1 29 |
| Rear shock | RockShox VIVID DH Ultimate | Öhlins TTX22 M.2 |
| Shifter | SRAM GX DH | SRAM X01 DH |
| Derailleur | SRAM GX DH | SRAM X01 DH |
| Cassette | SRAM GX DH | SRAM X01 DH |
| Chain | SRAM PC1110 | SRAM PC-1130 |
| Crankset | e*thirteen Helix core GR | SRAM X01 DH |
| Bottom bracket | Shimano MT800P | SRAM DUB |
| Tire | Schwalbe Tacky Chan, Schwalbe Magic Mary | Specialized Cannibal |
| Hub | DT Swiss 370 Classic LN | DT Swiss 350 |
| Rim | DT Swiss F1900 Classic | Roval Traverse |
| Brake | SRAM Maven Bronze | SRAM Maven Ultimate |
| Stem | Ride Alpha DH 40 | Renthal Integra |
| Grips | Ride Alpha Mushroom | Deity Lockjaw |
| Headset | Acros ZS56 ZS56 | not listed |
| Saddle | fizik Gravita Alpaca X5 | Specialized Henge DH |
| Accessory | e*thirteen LG1+ | not listed |
| Handlebar | not listed | Renthal Fatbar 35 |
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