2025 Specialized Stumpjumper 15 vs 2023 Specialized Stumpjumper EVO Comp Alloy
The Specialized Stumpjumper EVO Comp Alloy size closest to your S3 is the S3. Compare the S3 instead
What changes on the Specialized Stumpjumper EVO Comp Alloy
Compared with the Specialized Stumpjumper 15 in S3, the Specialized Stumpjumper EVO Comp Alloy in S2 places the top of the head tube 10 mm lower and 22 mm further back, relative to the bottom bracket. Its wheelbase is 22 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- −22 mm
- Shorter frame reach
- Wheelbase
- −22 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Specialized Stumpjumper 15, S3Specialized Stumpjumper EVO Comp Alloy, S2Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 S3 | Specialized Stumpjumper EVO Comp Alloy S2 | Difference |
|---|---|---|---|
| Reach | 450 | 428 | −22 mm |
| Stack | 627 | 617 | −10 mm |
| Head tube angle | 64.5 | 64.5 | ±0.0° |
| Seat tube angle | 77 | 77.6 | +0.6° |
| Effective top tube | 595 | not listed | |
| Chainstay length | 435 | 438mm | +3 mm |
| Wheelbase | 1213 | 1191mm | −22 mm |
| BB drop | 38 | 35mm | −3 mm |
| BB height | 337mm | 340mm | +3 mm |
| Standover | 745mm | not listed | |
| Seat tube length | 405 | 385 | −20 mm |
| Fork length | 561mm | not listed | |
| Head tube length | 110 | 95 | −15 mm |
Differences are the Specialized Stumpjumper EVO Comp Alloy minus the Specialized Stumpjumper 15. Full charts: 2025 Specialized Stumpjumper 15, 2023 Specialized Stumpjumper EVO Comp Alloy.
Where each sits in its class
Specialized Stumpjumper 15Specialized Stumpjumper EVO Comp Alloy
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 15S-Works | Specialized Stumpjumper EVO Comp AlloyComp Alloy |
|---|---|---|
| Frame | Specialized FACT 11m | Specialized Stumpjumper EVO |
| Fork | Fox Float 36 Factory | Fox FLOAT 36 Rhythm |
| Rear shock | Fox FLOAT Factory | Fox Float |
| Shifter | SRAM Pod Controller Ultimate | SRAM GX |
| Derailleur | SRAM XX Eagle Transmission | SRAM GX Eagle |
| Cassette | SRAM XX Eagle SL Transmission | SRAM GX Eagle |
| Chain | SRAM XX Eagle SL Transmission | SRAM NX Eagle |
| Crankset | SRAM XX Eagle | SRAM X1 Eagle |
| Chainring | SRAM XX Eagle | Chainring |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Wheelset | Roval Traverse SL II | Specialized 29 Disc |
| Tire | Specialized Butcher, Specialized Eliminator | Specialized Butcher, Specialized Eliminator |
| Hub | DT Swiss 240 | not listed |
| Rim | Roval Traverse SL II | not listed |
| Brake | SRAM Maven Ultimate | SRAM Code RS |
| Rotor | SRAM Maven, SRAM HS2 | not listed |
| Handlebar | Roval Traverse SL | Specialized alloy |
| Stem | Specialized Deity | Specialized Alloy |
| Grips | Deity Lockjaw | not listed |
| Headset | Specialized Angle-Adjust | FSA |
| Dropper post | RockShox Reverb | X-Fusion Manic |
| Seatpost | RockShox Reverb AXS | X-Fusion Manic |
| Saddle | Specialized Power Pro Mirror | Specialized Bridge |
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