2021
2021 Specialized Sirrus 3.0 Step Through
The 2021 Specialized Sirrus 3.0 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 3.0 Step Through build comes with microSHIFT R9 shifting and Specialized RoadSport Reflect tires.
Source: specialized.com. Checked .
Key facts
- Brand
- Specialized
- Model
- Sirrus
- Model year
- 2021
- Frame
- 3.0 Step Through
- Type
- Commuter
- Geometry labels
- XS, S, and M
- Drivetrain
- microSHIFT R9
- 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(°) | 70 | 70 | 71 |
| Seat tube angle(°) | 73.5 | 73.5 | 73.5 |
| Chainstay length(mm) | 440 | 440 | 440 |
| Wheelbase(mm) | 1058 | 1068 | 1077 |
| Standover(mm) | 620 | 620 | 625 |
| Seat tube length(mm) | 395 | 450 | 500 |
| Fork length(mm) | 395 | 395 | 395 |
| Head tube length(mm) | 139 | 147 | 175 |
Stock build
7 parts
Drivetrain
Wheels & Tires
Brakes
Seatpost & Saddle
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Quick answers
- Which size or configuration labels have geometry for the 2021 Specialized Sirrus 3.0 Step Through?
- Geometry is listed for XS, S, and M.
- What are the reach and stack of the 2021 Specialized Sirrus 3.0 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 2021 Specialized Sirrus 3.0 Step Through?
- The head tube angle is 70 degrees in size S.
- What does the 2021 Specialized Sirrus 3.0 Step Through ship with?
- The stock build includes microSHIFT R9, Specialized RoadSport Reflect, Tektro HD-R280, and Specialized Bridge Sport.
- Which years of the Specialized Sirrus are on Quiver?
- Quiver has the Specialized Sirrus for 2021, 2023, 2022, 2020, 2019, 2018, 2017, 2015, 2014, 2013, 2012, 2011, 2010, 2009, and 2008.
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