2023 Specialized Bicycles P.4 Base 27.5
Build
650B/27.5 in × 2.35 in
Insights
Somewhat upright stack and reach vs trend of bmx/dirt jump bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 588mm |
| Reach | 445mm |
| Stack to Reach Ratio | 1.32:1 |
| Seat Tube Length, Unknown | 350mm |
| Top Tube Length, Effective/Horizontal Unknown | 636mm |
| Top Tube Slope | 24.8deg |
| Head Tube Angle | 68.5deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 34mm |
| Bottom Bracket Height | 317.7mm |
| Chainstay Length | 385mm |
| Chainstay Length Horizontal | 383.5mm |
| Front-Center | 711.3mm |
| Front-Center Horizontal | 710.5mm |
| Wheelbase | 1094mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 492mm |
| Trail | 91.2mm very high |
| Mechanical Trail | 84.9mm |
| Wheel Flop | 31.1mm |
| Standover Height | 697mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 189.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 147.7mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 703.4mm |
| Bike Length with Tires | 1797.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/p4/p/200568?color=323963-200568&searchText=91923-5027