2020
2020 Specialized Stumpjumper ST Alloy 27.5
The 2020 Specialized Stumpjumper ST Alloy 27.5 sits in the middle of the range for trail bikes. Reach 405 to 480 mm, stack 581 to 637 mm.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Stumpjumper ST
- Model year
- 2020
- Frame
- Alloy 27.5
- Type
- Trail
- Geometry labels
- XS, S, M, L, and XL
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Reach(mm) | 405 | 415 | 435 | 455 | 480 |
| Stack(mm) | 581 | 592 | 596 | 623 | 637 |
| Head tube angle(°) | 66.5 | 65.5 | 65.5 | 65.5 | 65.5 |
| Seat tube angle(°) | 76.5 | 75.3 | 75 | 74.6 | 74.2 |
| Chainstay length(mm) | 432 | 432 | 432 | 432 | 432 |
| Wheelbase(mm) | 1127 | 1157 | 1179 | 1212 | 1243 |
| BB drop(mm) | 28 | 21 | 21 | 21 | 21 |
| BB height(mm) | 325 | 336 | 336 | 336 | 336 |
| Standover(mm) | 742 | 752 | 757 | 769 | 770 |
| Seat tube length(mm) | 380 | 380 | 410 | 455 | 505 |
| Fork length(mm) | 522 | 542 | 542 | 542 | 542 |
| Head tube length(mm) | 100 | 105 | 110 | 140 | 155 |
Stock build
No stock build on file yet.
Requested. Requests decide what we research next.
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Quick answers
- Which size or configuration labels have geometry for the 2020 Specialized Stumpjumper ST Alloy 27.5?
- Geometry is listed for XS, S, M, L, and XL.
- What are the reach and stack of the 2020 Specialized Stumpjumper ST Alloy 27.5 in size M?
- In size M, reach is 435 mm and stack is 596 mm.
- What is the head tube angle of the 2020 Specialized Stumpjumper ST Alloy 27.5?
- The head tube angle is 65.5 degrees in size M.
- Which years of the Specialized Stumpjumper ST are on Quiver?
- Quiver has the Specialized Stumpjumper ST for 2020, 2019, and 2018.
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