2025 Specialized Stumpjumper 15 Pro 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 Pro in S3, the Specialized Stumpjumper EVO Comp Alloy in S1 places the top of the head tube 14 mm lower and 42 mm further back, relative to the bottom bracket. Its wheelbase is 46 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −14 mm
- Lower front end
- Frame reach
- −42 mm
- Shorter frame reach
- Wheelbase
- −46 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 Pro, S3Specialized Stumpjumper EVO Comp Alloy, S1Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 Pro S3 | Specialized Stumpjumper EVO Comp Alloy S1 | Difference |
|---|---|---|---|
| Reach | 450 | 408mm | −42 mm |
| Stack | 627 | 613mm | −14 mm |
| Head tube angle | 64.5 | 64.5° | ±0.0° |
| Seat tube angle | 77 | 78° | +1.0° |
| Effective top tube | 595 | not listed | |
| Chainstay length | 435 | 438mm | +3 mm |
| Wheelbase | 1213 | 1167mm | −46 mm |
| BB drop | 38 | 40mm | +2 mm |
| Seat tube length | 405 | 385mm | −20 mm |
| Head tube length | 110 | 95mm | −15 mm |
| BB height | not listed | 335mm | |
| Standover | not listed | 733mm | |
| Fork length | not listed | 561mm |
Differences are the Specialized Stumpjumper EVO Comp Alloy minus the Specialized Stumpjumper 15 Pro. Full charts: 2025 Specialized Stumpjumper 15 Pro, 2023 Specialized Stumpjumper EVO Comp Alloy.
Where each sits in its class
Specialized Stumpjumper 15 ProSpecialized 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 15 ProPro | Specialized Stumpjumper EVO Comp AlloyComp Alloy |
|---|---|---|
| Frame | Specialized Stumpjumper 15 | Specialized Stumpjumper EVO |
| Fork | Fox Float 36 Factory GRIP2 | Fox FLOAT 36 Rhythm |
| Rear shock | Fox Float Factory | Fox Float |
| Shifter | SRAM Pod Controller | SRAM GX |
| Derailleur | SRAM X0 Eagle AXS | SRAM GX Eagle |
| Cassette | SRAM X0 Eagle | SRAM GX Eagle |
| Chain | SRAM X0 Eagle Transmission | SRAM NX Eagle |
| Crankset | SRAM X0 Eagle | SRAM X1 Eagle |
| Chainring | SRAM Eagle AXS | Chainring |
| Bottom bracket | SRAM DUB GX | SRAM DUB |
| Wheelset | Roval Traverse SL II | Specialized 29 Disc |
| Tire | Specialized Butcher, Specialized Eliminator | Specialized Butcher, Specialized Eliminator |
| Brake | SRAM Maven Silver Stealth, SRAM Maven Silver | SRAM Code RS |
| Rotor | SRAM HS2 | not listed |
| Handlebar | Specialized Traverse SL | Specialized alloy |
| Stem | Industry Nine Mountain | Specialized Alloy |
| Grips | Deity Lockjaw | not listed |
| Headset | Specialized Angle-Adjust | FSA |
| Dropper post | BikeYoke Revive Max | X-Fusion Manic |
| Saddle | Specialized Bridge Expert | Specialized Bridge |
| Seatpost | not listed | X-Fusion Manic |
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