2024 Specialized Bicycles Stumpjumper 15 Base S3
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 Bicycles Stumpjumper 15
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 627mm |
| Reach | 450mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, Unknown | 405mm |
| Top Tube Length, Effective/Horizontal Center | 595mm |
| Top Tube Slope | 23.2deg |
| Head Tube Angle | 64.5deg |
| Seat Tube Angle | 77deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 38mm |
| Bottom Bracket Height | 331.4mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 433.3mm |
| Front-Center | 780mm |
| Front-Center Horizontal | 779.7mm |
| Wheelbase | 1213mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 561mm |
| Trail | 127.5mm very high |
| Mechanical Trail | 115.1mm |
| Wheel Flop | 49.5mm |
| Standover Height | 745mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 245.6mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 166.4mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 738.8mm |
| Bike Length with Tires | 1951.8mm |
| Crank Length | 165mm |
| Handlebar Width | 800mm |
| Stem Length | 35mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 150mm |
| Rear Travel | 145mm |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.specialized.com/us/en/s-works-stumpjumper-15/p/4221406?color=5366727-4221406&searchText=93325-0005