2021 Specialized P.3 vs 2023 Specialized P.4
The 27.5" is the Specialized P.4 size closest to your 22.5 Specialized P.3. 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 in 22.5, the Specialized P.4 in 27.5" places the top of the head tube 10 mm higher and 22 mm further forward, relative to the bottom bracket. Its wheelbase is 31 mm longer, which can contribute to stability at speed.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- +22 mm
- Longer frame reach
- Wheelbase
- +31 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized P.3, 22.5Specialized P.4, 27.5"Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized P.3 22.5 | Specialized P.4 27.5" | Difference |
|---|---|---|---|
| Reach | 423mm | 445mm | +22 mm |
| Stack | 578mm | 588mm | +10 mm |
| Head tube angle | 69.5° | 68.5° | −1.0° |
| Seat tube angle | 70° | 72° | +2.0° |
| Chainstay length | 385mm | 385mm | ±0 mm |
| Wheelbase | 1063mm | 1094mm | +31 mm |
| BB drop | 16mm | not listed | |
| BB height | 322.5mm | not listed | |
| Seat tube length | 312mm | 350mm | +38 mm |
| Fork length | 490mm | 492mm | +2 mm |
| Head tube length | 122mm | 120mm | −2 mm |
| Standover | not listed | 697mm |
Differences are the Specialized P.4 minus the Specialized P.3. Full charts: 2021 Specialized P.3, 2023 Specialized P.4.
Where each sits in its class
Specialized P.3Specialized 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.3P.3 | Specialized P.4P.4 |
|---|---|---|
| Fork | RockShox Pike DJ 26 | Marzocchi Bomber Z1 |
| Chain | KMC Z610 | KMC Z1 |
| Crankset | Specialized Stout DJ | Specialized P.series |
| Wheelset | Specialized P.Series | not listed |
| Tire | Specialized Rhythm Lite Control | Specialized Kicker Sport |
| Brake | SRAM T | Specialized Radius CX7, SRAM T |
| Handlebar | Specialized P.Series | Specialized P.Series |
| Stem | Specialized P.Series | not listed |
| Grips | Specialized P.Grip | not listed |
| Saddle | Specialized P.Series | Specialized P.Series |
| Frame | not listed | Specialized P.4 |
| Rim | not listed | Specialized P.Series |
Know what is on every bike.
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