2018
2018 Specialized Stumpjumper ST Men's Alloy 27.5
The 2018 Specialized Stumpjumper ST Men's Alloy 27.5 sits more aggressive than most trail bikes. Reach 425 to 490 mm, stack 586 to 631 mm. The Stumpjumper ST Men's Alloy 27.5 build comes with Shimano SLX shifting and Specialized Butcher tires.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Stumpjumper ST
- Model year
- 2018
- Frame
- Men's Alloy 27.5
- Type
- Trail
- Geometry labels
- S, M, L, and XL
- Drivetrain
- Shimano SLX
- Rear shock
- X-Fusion Pro RL
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 425 | 444 | 465 | 490 |
| Stack(mm) | 586 | 590 | 618 | 631 |
| Head tube angle(°) | 66.5 | 66.5 | 66.5 | 66.5 |
| Seat tube angle(°) | 76.3 | 76 | 75.6 | 75.2 |
| Effective top tube(mm) | 568 | 591 | 624 | 657 |
| Chainstay length(mm) | 432 | 432 | 432 | 432 |
| Wheelbase(mm) | 1149 | 1170 | 1203 | 1234 |
| BB drop(mm) | 28 | 28 | 28 | 28 |
| BB height(mm) | 325 | 325 | 325 | 325 |
| Standover(mm) | 744 | 749 | 761 | 762 |
| Seat tube length(mm) | 380 | 410 | 455 | 505 |
| Fork length(mm) | 522 | 522 | 522 | 522 |
| Head tube length(mm) | 105 | 110 | 140 | 155 |
Stock build
12 parts
Suspension
RockShox Recon RL
Drivetrain
Wheels & Tires
Brakes
Tektro Gemini Comp
Cockpit
Seatpost & Saddle
Keep your Stumpjumper ST Men's Alloy 27.5 in Quiver
Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.
Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.Already have Quiver? Open this build
✓Sources agreeMManufacturer
Quick answers
- Which size or configuration labels have geometry for the 2018 Specialized Stumpjumper ST Men's Alloy 27.5?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2018 Specialized Stumpjumper ST Men's Alloy 27.5 in size L?
- In size L, reach is 465 mm and stack is 618 mm.
- What is the head tube angle of the 2018 Specialized Stumpjumper ST Men's Alloy 27.5?
- The head tube angle is 66.5 degrees in every size.
- What does the 2018 Specialized Stumpjumper ST Men's Alloy 27.5 ship with?
- The stock build includes RockShox Recon RL, Shimano SLX, Specialized Butcher, and Tektro Gemini Comp.
- Which years of the Specialized Stumpjumper ST are on Quiver?
- Quiver has the Specialized Stumpjumper ST for 2018, 2020, and 2019.
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
