2018
2018 Specialized Stumpjumper ST Men's Alloy 29
The 2018 Specialized Stumpjumper ST Men's Alloy 29 sits more upright than most trail bikes. Reach 415 to 480 mm, stack 612 to 649 mm. The Stumpjumper ST Men's Alloy 29 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 29
- 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) | 415 | 435 | 455 | 480 |
| Stack(mm) | 612 | 612 | 635 | 649 |
| Head tube angle(°) | 67.5 | 67.5 | 67.5 | 67.5 |
| Seat tube angle(°) | 75.8 | 75.5 | 75.1 | 74.7 |
| Effective top tube(mm) | 570 | 593 | 624 | 657 |
| Chainstay length(mm) | 437 | 437 | 437 | 437 |
| Wheelbase(mm) | 1143 | 1163 | 1192 | 1223 |
| BB drop(mm) | 39 | 39 | 39 | 39 |
| BB height(mm) | 333 | 333 | 333 | 333 |
| Standover(mm) | 750 | 756 | 769 | 770 |
| Seat tube length(mm) | 380 | 410 | 455 | 505 |
| Fork length(mm) | 540 | 540 | 540 | 540 |
| Head tube length(mm) | 100 | 100 | 125 | 140 |
Stock build
12 parts
Suspension
RockShox Recon RL
Drivetrain
Wheels & Tires
Brakes
Tektro Gemini Comp
Cockpit
Seatpost & Saddle
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Quick answers
- Which size or configuration labels have geometry for the 2018 Specialized Stumpjumper ST Men's Alloy 29?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2018 Specialized Stumpjumper ST Men's Alloy 29 in size L?
- In size L, reach is 455 mm and stack is 635 mm.
- What is the head tube angle of the 2018 Specialized Stumpjumper ST Men's Alloy 29?
- The head tube angle is 67.5 degrees in every size.
- What does the 2018 Specialized Stumpjumper ST Men's Alloy 29 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.
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