2025 Specialized P.3 Frameset vs 2023 Specialized P.4
The 27.5" is the Specialized P.4 size closest to your P3 Specialized P.3 Frameset. 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 P.4
Compared with the Specialized P.3 Frameset in P3, the Specialized P.4 in 27.5" places the top of the head tube 25 mm higher and 30 mm further forward, relative to the bottom bracket. Its wheelbase is 42 mm longer, which can contribute to stability at speed.
- Frame stack
- +25 mm
- Higher front end
- Frame reach
- +30 mm
- Longer frame reach
- Wheelbase
- +42 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized P.3 Frameset, P3Specialized P.4, 27.5"Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized P.3 Frameset P3 | Specialized P.4 27.5" | Difference |
|---|---|---|---|
| Reach | 415mm | 445mm | +30 mm |
| Stack | 563mm | 588mm | +25 mm |
| Head tube angle | 68.5° | 68.5° | ±0.0° |
| Seat tube angle | 72° | 72° | ±0.0° |
| Effective top tube | 598mm | not listed | |
| Chainstay length | 385mm | 385mm | ±0 mm |
| Wheelbase | 1052mm | 1094mm | +42 mm |
| BB drop | 22mm | not listed | |
| BB height | 318mm | not listed | |
| Standover | 691mm | 697mm | +6 mm |
| Seat tube length | 335mm | 350mm | +15 mm |
| Fork length | 480mm | 492mm | +12 mm |
| Head tube length | 115mm | 120mm | +5 mm |
Differences are the Specialized P.4 minus the Specialized P.3 Frameset. Full charts: 2025 Specialized P.3 Frameset, 2023 Specialized P.4.
Where each sits in its class
Specialized P.3 FramesetSpecialized P.4
Each bike is ranked against the other dirt jump 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 | Specialized P.3 Frameset | Specialized P.4P.4 |
|---|---|---|
| Frame | not listed | Specialized P.4 |
| Fork | not listed | Marzocchi Bomber Z1 |
| Chain | not listed | KMC Z1 |
| Crankset | not listed | Specialized P.series |
| Tire | not listed | Specialized Kicker Sport |
| Rim | not listed | Specialized P.Series |
| Brake | not listed | Specialized Radius CX7, SRAM T |
| Handlebar | not listed | Specialized P.Series |
| Saddle | not listed | Specialized P.Series |
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