2025 Specialized Stumpjumper 15 Expert vs 2026 Specialized Stumpjumper 15 EVO
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Stumpjumper 15 EVO
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- +36 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Only the Specialized Stumpjumper 15 Expert is drawn. The Specialized Stumpjumper 15 EVO numbers we have for size S3 are missing the reach and stack.
Geometry side by side
| Measurement | Specialized Stumpjumper 15 Expert S2 | Specialized Stumpjumper 15 EVO S3 | Difference |
|---|---|---|---|
| Reach | 425 | not listed | |
| Stack | 618 | not listed | |
| Head tube angle | 64.5 | 64 | −0.5° |
| Seat tube angle | 77 | 76.5 | −0.5° |
| Effective top tube | 573 | 596 | +23 mm |
| Chainstay length | 432 | 435 | +3 mm |
| Wheelbase | 1181 | 1217 | +36 mm |
| BB drop | 38 | 35 | −3 mm |
| BB height | 337 | 340 | +3 mm |
| Standover | 751 | 745 | −6 mm |
| Seat tube length | not listed | 405 | |
| Head tube length | not listed | 110 |
Differences are the Specialized Stumpjumper 15 EVO minus the Specialized Stumpjumper 15 Expert. Full charts: 2025 Specialized Stumpjumper 15 Expert, 2026 Specialized Stumpjumper 15 EVO.
Where each sits in its class
Specialized Stumpjumper 15 ExpertSpecialized Stumpjumper 15 EVO
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 ExpertExpert | Specialized Stumpjumper 15 EVOS-Works |
|---|---|---|
| Frame | Specialized FACT 11m | Specialized FACT 11m Carbon |
| Fork | Fox 36 Performance Elite | Fox 36 Factory GRIP X2 |
| Rear shock | Fox Float Performance Elite | Fox Float X Factory |
| Shifter | SRAM Pod Controller | Shimano XTR M9250 |
| Derailleur | SRAM GX Eagle | Shimano XTR |
| Cassette | SRAM GX Eagle Transmission | Shimano XTR M9250 |
| Chain | SRAM GX Eagle | Shimano XTR |
| Crankset | SRAM GX Eagle | Shimano XTR |
| Chainring | SRAM GX Eagle | Shimano XTR |
| Bottom bracket | SRAM DUB | Shimano BB93 |
| Wheelset | Specialized Roval Traverse | Roval Traverse SL II |
| Tire | Specialized Butcher, Specialized Eliminator | Specialized Butcher, Specialized Eliminator |
| Hub | DT Swiss 370 | Industry Nine Hydra 2 |
| Rim | Roval Traverse | Roval Traverse SL |
| Brake | SRAM Maven Bronze | Shimano XTR |
| Rotor | SRAM HS2, SRAM Maven | Shimano XTR |
| Handlebar | Specialized 6000 | Race Face ERA |
| Stem | Specialized Trail | Race Face Turbine R |
| Grips | Deity Lockjaw | Deity Lockjaw |
| Headset | Specialized Integrated | not listed |
| Dropper post | PNW Loam | Fox Transfer Neo |
| Saddle | Specialized Bridge | Specialized S-Works Power Mirror |
| Seatpost | not listed | dropper |
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