2025 Specialized Stumpjumper 15 LTD vs 2024 Specialized Stumpjumper EVO Alloy LTD
The S4 is the Specialized Stumpjumper EVO Alloy LTD size closest to your S4 Specialized Stumpjumper 15 LTD. 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 Stumpjumper EVO Alloy LTD
Compared with the Specialized Stumpjumper 15 LTD in S4, the Specialized Stumpjumper EVO Alloy LTD in S4 places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +6 mm
- Longer: more planted
The two frames
Specialized Stumpjumper 15 LTD, S4Specialized Stumpjumper EVO Alloy LTD, S4Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 LTD S4 | Specialized Stumpjumper EVO Alloy LTD S4 | Difference |
|---|---|---|---|
| Reach | 475mm | 475mm | ±0 mm |
| Stack | 640mm | 635mm | −5 mm |
| Head tube angle | 64.5° | 64.5° | ±0.0° |
| Seat tube angle | 76.5° | 76.9° | +0.4° |
| Effective top tube | 624mm | not listed | |
| Chainstay length | 435mm | 441mm | +6 mm |
| Wheelbase | 1244mm | 1249mm | +5 mm |
| BB drop | 38mm | 35mm | −3 mm |
| BB height | 337mm | 340mm | +3 mm |
| Standover | 745mm | 760mm | +15 mm |
| Seat tube length | 425mm | 425mm | ±0 mm |
| Fork length | 561mm | not listed | |
| Head tube length | 125mm | 115mm | −10 mm |
Differences are the Specialized Stumpjumper EVO Alloy LTD minus the Specialized Stumpjumper 15 LTD. Full charts: 2025 Specialized Stumpjumper 15 LTD, 2024 Specialized Stumpjumper EVO Alloy LTD.
Where each sits in its class
Specialized Stumpjumper 15 LTDSpecialized Stumpjumper EVO Alloy LTD
Each bike is ranked against the other trail 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 Stumpjumper 15 LTDS-Works LTD | Specialized Stumpjumper EVO Alloy LTDAlloy LTD |
|---|---|---|
| Fork | Fox Float 36 Factory | Fox 36 Factory |
| Rear shock | Fox DHX Live | Fox Float X Factory |
| Shifter | SRAM Pod Controller Ultimate | SRAM GX Eagle |
| Derailleur | SRAM XX Eagle Transmission | SRAM GX Eagle AXS |
| Cassette | SRAM XX Eagle SL Transmission | SRAM X01 Eagle |
| Chain | SRAM XX Eagle SL Transmission | SRAM GX Eagle |
| Crankset | SRAM XX Eagle | SRAM GX Eagle |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Tire | Specialized Butcher, Specialized Eliminator | Specialized Butcher, Specialized Eliminator |
| Hub | DT Swiss 240 | Roval DT Swiss 370 |
| Rim | Roval Traverse HD | Roval Traverse |
| Brake | SRAM Maven Ultimate | SRAM Code RS |
| Handlebar | Race Face ERA | not listed |
| Stem | Specialized Industry 9 Moutain | Trail |
| Grips | Deity Lockjaw | Deity Lockjaw |
| Seatpost | Fox Transfer Neo | X-Fusion Manic |
| Saddle | Specialized Power Pro | Bridge |
| Wheelset | not listed | Specialized Alloy |
| Headset | not listed | Angle Adjust |
| Dropper post | not listed | X-Fusion Manic |
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