2025 Specialized Stumpjumper 15 Pro S2
Build
700C/29 in × 2.3 in
Insights
Somewhat upright stack and reach vs trend of full-suspension trail mtb bikes
Design deviates from other sizes of Specialized Stumpjumper 15
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 618mm |
| Reach | 425mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, Unknown | 385mm |
| Top Tube Length, Effective/Horizontal HT Top | 573mm |
| Top Tube Slope | 25.4deg |
| Head Tube Angle | 64.5deg |
| Seat Tube Angle | 77deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 38mm |
| Bottom Bracket Height | 331.4mm |
| Chainstay Length | 432mm |
| Chainstay Length Horizontal | 430.3mm |
| Front-Center | 751mm |
| Front-Center Horizontal | 750.7mm |
| Wheelbase | 1181mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 561mm |
| Trail | 127.5mm very high |
| Mechanical Trail | 115mm |
| Wheel Flop | 49.5mm |
| Standover Height | 751mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 216.6mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 166.4mm |
Pro Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 738.8mm |
| Bike Length with Tires | 1919.8mm |
| Crank Length | 165mm |
| Handlebar Width | 780mm |
| Stem Length | 40mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | 140mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.specialized.com/us/en/stumpjumper-15-pro-sram-x0-axs-fox-factory/p/4221403?color=5366732-4221403