Specialized P.4 Dirt Jump Frame – 27.5"
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Recommended terrain:
Smooth, narrower tires built for fast, efficient miles on paved roads.
Wide, aggressive tread for confident grip on loose or uneven trails.
An in-between tire that's just as happy on pavement, fire roads, or loose gravel.
Description
Build your next dirt jump bike around the Specialized P.4. Its lightweight, tough A1 Premium Alloy frame gives you a straightforward platform for progressing at the jumps, with adjustable dropouts and compatibility with both 27.5-inch and 26-inch wheels.
A platform for your build
Start with a dedicated jump setup or explore a different configuration as your riding evolves. The P.4 is dropper-post ready and derailleur compatible, with internal cable routing to keep the build tidy.
Frame details
- Material: Specialized A1 Premium Alloy with fully butted tubing
- Wheel compatibility: 27.5-inch and 26-inch
- Dropouts: Adjustable
- Rear spacing: Boost
- Headtube: Tapered
- Bottom bracket: Threaded
- Build options: Dropper-post and derailleur compatible
- Cable routing: Internal routing supported
- Color: Satin Rusted Red / White Sage
Before you build
This listing is for the P.4 frame, not a complete bike. The 27.5-inch option identifies the wheel platform, not a rider frame size. Confirm frame geometry, component standards, and included hardware before choosing parts for your build.




