2025
2025 Specialized Stumpjumper 15 Alloy
The 2025 Specialized Stumpjumper 15 Alloy sits in the middle of the range for trail bikes, with a slacker head angle and a shorter rear center. Reach 400 to 530 mm, stack 608 to 667 mm. The Stumpjumper 15 Alloy build comes with Shimano Deore M6100 shifting and Specialized Butcher tires.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Stumpjumper 15
- Model year
- 2025
- Frame
- Alloy
- Type
- Trail
- Geometry labels
- S1, S2, S3, S4, S5, and S6
- Drivetrain
- Shimano Deore M6100
- Rear shock
- X-Fusion 02 Pro R
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|
| Reach(mm) | 400 | 425 | 450 | 475 | 500 | 530 |
| Stack(mm) | 608 | 618 | 627 | 640 | 654 | 667 |
| Head tube angle(°) | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 |
| Seat tube angle(°) | 78 | 77 | 77 | 76.5 | 76.5 | 76.5 |
| Effective top tube(mm) | 541 | 573 | 595 | 624 | 647 | 677 |
| Chainstay length(mm) | 430 | 432 | 435 | 435 | 445 | 445 |
| Wheelbase(mm) | 1149 | 1181 | 1213 | 1244 | 1285 | 1322 |
| BB drop(mm) | 41 | 38 | 38 | 38 | 38 | 38 |
| BB height(mm) | 334 | 337 | 337 | 337 | 337 | 337 |
| Standover(mm) | 738 | 751 | 745 | 745 | 745 | 751 |
| Seat tube length(mm) | 385 | 385 | 405 | 425 | 445 | 465 |
| Fork length(mm) | 551 | 561 | 561 | 561 | 561 | 561 |
| Head tube length(mm) | 95 | 100 | 110 | 125 | 140 | 155 |
Stock build
15 parts
Frame
Specialized M5 Alloy
Suspension
RockShox Psylo Silver
Drivetrain
Wheels & Tires
Specialized Butcher
Specialized Eliminator
Brakes
Shimano MT420
Cockpit
Trail
Seatpost & Saddle
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Quick answers
- Which size or configuration labels have geometry for the 2025 Specialized Stumpjumper 15 Alloy?
- Geometry is listed for S1, S2, S3, S4, S5, and S6.
- What are the reach and stack of the 2025 Specialized Stumpjumper 15 Alloy in size S4?
- In size S4, reach is 475 mm and stack is 640 mm.
- What is the head tube angle of the 2025 Specialized Stumpjumper 15 Alloy?
- The head tube angle is 64.5 degrees in every size.
- What does the 2025 Specialized Stumpjumper 15 Alloy ship with?
- The stock build includes Specialized M5 Alloy, RockShox Psylo Silver, Shimano Deore M6100, and Specialized Butcher.
- Which years of the Specialized Stumpjumper 15 are on Quiver?
- Quiver has the Specialized Stumpjumper 15 for 2025 and 2026.
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