2022 Specialized Stumpjumper Alloy vs 2022 Specialized Stumpjumper EVO Expert
The S4 is the Specialized Stumpjumper EVO Expert size closest to your S4 Specialized Stumpjumper Alloy. 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 Expert
Compared with the Specialized Stumpjumper Alloy in S4, the Specialized Stumpjumper EVO Expert in S4 places the top of the head tube 6 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −4 mm
- Shorter: livelier
The two frames
Specialized Stumpjumper Alloy, S4Specialized Stumpjumper EVO Expert, S4Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper Alloy S4 | Specialized Stumpjumper EVO Expert S4 | Difference |
|---|---|---|---|
| Reach | 475mm | 477 | +2 mm |
| Stack | 631mm | 637 | +6 mm |
| Head tube angle | 65° | 64.5 | −0.5° |
| Seat tube angle | 77.2° | 76.9 | −0.3° |
| Chainstay length | 444mm | 440 | −4 mm |
| Wheelbase | 1241mm | 1249 | +8 mm |
| BB drop | 42mm | 35 | −7 mm |
| BB height | 332mm | 340mm | +8 mm |
| Standover | 753mm | 764 | +11 mm |
| Seat tube length | 425mm | 425 | ±0 mm |
| Fork length | 550mm | not listed | |
| Head tube length | 120mm | 115mm | −5 mm |
Differences are the Specialized Stumpjumper EVO Expert minus the Specialized Stumpjumper Alloy. Full charts: 2022 Specialized Stumpjumper Alloy, 2022 Specialized Stumpjumper EVO Expert.
Where each sits in its class
Specialized Stumpjumper AlloySpecialized Stumpjumper EVO Expert
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 AlloyAlloy | Specialized Stumpjumper EVO ExpertExpert |
|---|---|---|
| Frame | Specialized chassis | Specialized FACT 11m |
| Rear shock | X-Fusion Pro RL | Fox Float |
| Shifter | SRAM SX Eagle | SRAM X01 Eagle |
| Derailleur | SRAM SX Eagle | SRAM X01 Eagle |
| Cassette | SRAM SX Eagle | SRAM X01 Eagle |
| Chain | SRAM SX Eagle | SRAM GX Eagle |
| Crankset | SRAM SX Eagle | SRAM Descendant |
| Bottom bracket | SRAM PowerSpline | SRAM DUB |
| Tire | Specialized Butcher, Specialized Purgatory | Specialized Butcher, Specialized Eliminator |
| Brake | Tektro Gemini | SRAM Code RS |
| Seatpost | TranzX Dropper | Specialized OneUp |
| Saddle | Specialized Bridge Saddle | Specialized Bridge |
| Fork | not listed | Fox FLOAT 36 Rhythm |
| Chainring | not listed | 30T |
| Wheelset | not listed | Roval Traverse 29 |
| Hub | not listed | Roval DT Swiss 370 |
| Rim | not listed | Roval Traverse 29 |
| Rotor | not listed | Code RS |
| Handlebar | not listed | Specialized Trail |
| Stem | not listed | Specialized Trail Stem |
| Grips | not listed | Specialized Deity |
| Headset | not listed | Integrated |
| Dropper post | not listed | OneUp Components Dropper Post-V2 |
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