2020
2020 Specialized Stumpjumper ST Alloy 29
The 2020 Specialized Stumpjumper ST Alloy 29 sits at the upright end of the range for a trail bike. Reach 405 to 470 mm, stack 619 to 656 mm.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Stumpjumper ST
- Model year
- 2020
- Frame
- Alloy 29
- Type
- Trail
- Geometry labels
- S, M, L, and XL
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Reach(mm) | 405 | 425 | 445 | 470 |
| Stack(mm) | 619 | 619 | 642 | 656 |
| Head tube angle(°) | 66.5 | 66.5 | 66.5 | 66.5 |
| Seat tube angle(°) | 74.8 | 74.5 | 74.1 | 73.7 |
| Chainstay length(mm) | 437 | 437 | 437 | 437 |
| Wheelbase(mm) | 1151 | 1171 | 1201 | 1232 |
| BB drop(mm) | 33 | 33 | 33 | 33 |
| BB height(mm) | 341 | 341 | 341 | 341 |
| Standover(mm) | 756 | 762 | 775 | 776 |
| Seat tube length(mm) | 380 | 410 | 455 | 505 |
| Fork length(mm) | 560 | 560 | 560 | 560 |
| Head tube length(mm) | 100 | 100 | 125 | 140 |
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 29?
- Geometry is listed for S, M, L, and XL.
- What are the reach and stack of the 2020 Specialized Stumpjumper ST Alloy 29 in size L?
- In size L, reach is 445 mm and stack is 642 mm.
- What is the head tube angle of the 2020 Specialized Stumpjumper ST Alloy 29?
- The head tube angle is 66.5 degrees in every size.
- 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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