Specialized P.4 Frameset 27.5" Rusted Red / White Sage A1 Alloy Dirt Jump Frame
Specialized P.4 Frameset 27.5" Rusted Red / White Sage A1 Alloy Dirt Jump Frame
Stage 21 Bikes
23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States
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Specialized P.4 Frameset – Rusted Red / White Sage – 27.5"
The Specialized P.4 Frameset is built for riders who want a durable, versatile platform to progress their skills in dirt jumping, pump tracks, skateparks, and urban riding. Featuring a completely redesigned A1 Premium Alloy frame, the P.4 combines lightweight construction with exceptional strength, delivering the confidence to tackle bigger jumps, tricks, and technical lines.
Designed around simplicity and durability, the P.4 includes modern features like adjustable dropouts, internal cable routing, Boost rear spacing, a tapered head tube, and compatibility with both 27.5-inch and 26-inch wheels for ultimate customization.
Available from Stage 21 Bikes, your trusted source for genuine Specialized bikes, frames, and performance upgrades.
Built to Progress
The redesigned P.Series platform gives riders a strong, dependable foundation that stands up to repeated impacts while remaining responsive and easy to control.
Whether you're learning your first jumps or refining advanced tricks, the P.4 is built to grow with your riding.
Lightweight Yet Tough
Constructed from Specialized A1 Premium Alloy, the frame features:
- Fully butted tubing for reduced weight
- Excellent impact resistance
- Responsive handling
- Long-lasting durability
Designed to withstand the abuse of dirt jumps, pump tracks, and street riding.
Versatile Wheel Compatibility
The P.4 is designed around 27.5-inch wheels but also supports:
- 27.5-inch wheel setup (stock)
- 26-inch wheel compatibility
This flexibility allows riders to fine-tune handling characteristics to suit their riding style.
Modern Dirt Jump Features
Designed for today's riders with:
- Adjustable rear dropouts
- Internal cable routing
- Dropper post compatibility
- Boost rear hub spacing
- Tapered head tube
- Threaded bottom bracket
These features improve reliability, simplify maintenance, and provide future upgrade options.
Clean, Purpose-Built Design
By eliminating unnecessary complexity, the P.4 offers a clean and dependable platform focused entirely on progression and performance.
Frame Specifications
Frame
- Specialized P.4
- A1 Premium Alloy
- Fully butted tubing
- Internal cable routing
- Dropper post compatible
- 26" and 27.5" wheel compatible
Key Features
- Redesigned Specialized P.Series frame
- Lightweight A1 Premium Alloy construction
- Fully butted tubing
- Designed for dirt jumping, pump tracks, and street riding
- 27.5" wheel configuration
- Compatible with 26" wheels
- Adjustable rear dropouts
- Internal cable routing
- Dropper post compatible
- Boost rear spacing
- Tapered head tube
- Threaded bottom bracket
Specifications
| Feature | Details |
|---|---|
| Brand | Specialized |
| Model | P.4 Frameset |
| Frame Material | A1 Premium Alloy |
| Wheel Size | 27.5" (26" Compatible) |
| Rear Hub Spacing | Boost |
| Bottom Bracket | Threaded |
| Head Tube | Tapered |
| Cable Routing | Internal |
| Dropper Compatible | Yes |
| Color | Rusted Red / White Sage |
| MPN | 71923-5027 |
Ideal For
- Dirt jumping
- Pump tracks
- Skateparks
- Urban freeride
- Slopestyle
- Riders progressing their jumping skills
Why Choose the Specialized P.4 Frameset?
The Specialized P.4 Frameset delivers a modern dirt jump platform that balances durability, versatility, and simplicity. Its lightweight A1 Premium Alloy construction, adjustable dropouts, Boost spacing, and compatibility with both 27.5-inch and 26-inch wheels make it an ideal foundation for building a bike tailored to your riding style, whether you're hitting dirt jumps, pump tracks, or urban features.