2026
2026 Specialized Sirrus X 1.0 Step-Through
The 2026 Specialized Sirrus X 1.0 Step-Through sits at the aggressive end of the range for a commuter bike. Reach 393 to 408 mm, stack 555 to 593 mm. The Sirrus X 1.0 Step-Through 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 Step-Through
- Type
- Commuter
- Geometry labels
- XS, S, and M
- Drivetrain
- Shimano Acera
- Geometry
- Complete for every size
- Source
- specialized.com
- Checked
Geometry by size
| Measurement | XS | S | M |
|---|---|---|---|
| Reach(mm) | 393 | 400 | 408 |
| Stack(mm) | 555 | 563 | 593 |
| Head tube angle(°) | 71 | 70 | 70 |
| Seat tube angle(°) | 73.5 | 73.5 | 73.5 |
| Effective top tube(mm) | 557 | 567 | 584 |
| Chainstay length(mm) | 440 | 440 | 440 |
| Wheelbase(mm) | 1058 | 1068 | 1077 |
| BB drop(mm) | 70 | 70 | 70 |
| BB height(mm) | 288 | 288 | 288 |
| Standover(mm) | 636 | 636 | 641 |
| Seat tube length(mm) | 395 | 450 | 500 |
| Fork length(mm) | 395 | 395 | 395 |
| Head tube length(mm) | 139 | 147 | 175 |
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 Step-Through?
- Geometry is listed for XS, S, and M.
- What are the reach and stack of the 2026 Specialized Sirrus X 1.0 Step-Through in size S?
- In size S, reach is 400 mm and stack is 563 mm.
- What is the head tube angle of the 2026 Specialized Sirrus X 1.0 Step-Through?
- The head tube angle is 70 degrees in size S.
- What does the 2026 Specialized Sirrus X 1.0 Step-Through 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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