2026
2026 Specialized Sirrus X 1.0
The 2026 Specialized Sirrus X 1.0 sits more aggressive than most commuter bikes. Reach 373 to 414 mm, stack 536 to 633 mm. The Sirrus X 1.0 build comes with Shimano Acera shifting and Specialized Pathfinder Wirebead Fast Gravel tires.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Sirrus X
- Model year
- 2026
- Frame
- 1.0
- Type
- Commuter
- Geometry labels
- XXS, XS, S, M, L, and XL
- Drivetrain
- Shimano Acera
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Reach(mm) | 373 | 388 | 393 | 398 | 402 | 414 |
| Stack(mm) | 536 | 555 | 563 | 593 | 608 | 633 |
| Head tube angle(°) | 69.5 | 70 | 70 | 71 | 71 | 71 |
| Seat tube angle(°) | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
| Effective top tube(mm) | 532 | 552 | 560 | 574 | 582 | 602 |
| Chainstay length(mm) | 440 | 440 | 440 | 440 | 440 | 440 |
| Wheelbase(mm) | 1036 | 1053 | 1061 | 1067 | 1076 | 1096 |
| BB drop(mm) | 70 | 70 | 70 | 70 | 70 | 70 |
| BB height(mm) | 288 | 288 | 288 | 288 | 288 | 288 |
| Standover(mm) | 702 | 725 | 755 | 785 | 815 | 837 |
| Seat tube length(mm) | 360 | 395 | 440 | 470 | 510 | 530 |
| Fork length(mm) | 395 | 395 | 395 | 395 | 395 | 395 |
| Head tube length(mm) | 121 | 139 | 147 | 175 | 191 | 217 |
Stock build
9 parts
Drivetrain
Wheels & Tires
Brakes
Specialized Lee Chi
Cockpit
Seatpost & Saddle
Specialized Bridge Sport
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Quick answers
- Which size or configuration labels have geometry for the 2026 Specialized Sirrus X 1.0?
- Geometry is listed for XXS, XS, S, M, L, and XL.
- What are the reach and stack of the 2026 Specialized Sirrus X 1.0 in size M?
- In size M, reach is 398 mm and stack is 593 mm.
- What is the head tube angle of the 2026 Specialized Sirrus X 1.0?
- The head tube angle is 71 degrees in size M.
- What does the 2026 Specialized Sirrus X 1.0 ship with?
- The stock build includes Shimano Altus SL-M315-7R, Specialized Pathfinder Wirebead Fast Gravel, Specialized Lee Chi, and Specialized Neutralizer.
- Which years of the Specialized Sirrus X are on Quiver?
- Quiver has the Specialized Sirrus X for 2026, 2025, 2024, 2023, 2022, 2021, 2020, and 2019.
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