Stumpjumper 15 2026
Stumpjumper 15 Pro
The 2026 Specialized Stumpjumper 15 Pro is a trail bike offered in 6 sizes, S1 to S6. Reach runs from 400 to 525 mm and stack from 611 to 671 mm. It ships with SRAM X0 Eagle Transmission and Roval Traverse SL II.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing.
Key facts
- Brand
- Specialized
- Model
- Stumpjumper 15
- Model year
- 2026
- Frame
- Pro
- Type
- Trail
- Sizes
- S1, S2, S3, S4, S5, and S6
- Verified measurements
- 72 of 72
- Last checked
2026 Specialized Stumpjumper 15 Pro drawn to scale
2026 Specialized Stumpjumper 15 Pro geometry by size
| Measurement | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|
| Reach(mm) | 400mm | 420mm | 445mm | 470mm | 495mm | 525mm |
| Stack(mm) | 611mm | 621mm | 630mm | 644mm | 658mm | 671mm |
| Head tube angle(°) | 64° | 64° | 64° | 64° | 64° | 64° |
| Seat tube angle(°) | 77.7° | 76.5° | 76.5° | 76° | 76° | 76° |
| Effective top tube(mm) | 542mm | 574mm | 596mm | 625mm | 649mm | 678mm |
| Chainstay length(mm) | 430mm | 432mm | 435mm | 435mm | 445mm | 445mm |
| Wheelbase(mm) | 1153mm | 1186mm | 1217mm | 1249mm | 1290mm | 1327mm |
| BB drop(mm) | 38mm | 35mm | 35mm | 35mm | 35mm | 35mm |
| BB height(mm) | 337mm | 340mm | 340mm | 340mm | 340mm | 340mm |
| Standover(mm) | 738mm | 751mm | 745mm | 745mm | 745mm | 751mm |
| Seat tube length(mm) | 385mm | 385mm | 405mm | 425mm | 445mm | 465mm |
| Head tube length(mm) | 95mm | 100mm | 110mm | 125mm | 140mm | 155mm |
Last checked .
2026 Specialized Stumpjumper 15 stock build
19 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Quick answers
What sizes does the 2026 Specialized Stumpjumper 15 Pro come in?
It comes in 6 sizes: S1, S2, S3, S4, S5, and S6.
What are the reach and stack of the 2026 Specialized Stumpjumper 15 Pro in size S4?
In size S4, reach is 470 mm and stack is 644 mm.
What is the head tube angle of the 2026 Specialized Stumpjumper 15 Pro?
The head tube angle is 64 degrees in every size.
What does the 2026 Specialized Stumpjumper 15 Pro ship with?
The stock build includes Specialized Stumpjumper 15, Fox 36, SRAM AXS, and Roval Traverse SL II.
Which years of the Specialized Stumpjumper 15 are in the catalog?
The catalog has the Specialized Stumpjumper 15 for 2026 and 2025.
Other frames of the 2026 Stumpjumper 15
Other years of the Stumpjumper 15
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