2022 Specialized Sirrus 2.0 Step-Through vs 2021 Specialized Sirrus X 2.0 Step Through
The Specialized Sirrus X 2.0 Step Through size closest to your S is the S. Compare the S instead
What changes on the Specialized Sirrus X 2.0 Step Through
Compared with the Specialized Sirrus 2.0 Step-Through in S, the Specialized Sirrus X 2.0 Step Through in M places the top of the head tube 30 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.
- Frame stack
- +30 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +9 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus 2.0 Step-Through, SSpecialized Sirrus X 2.0 Step Through, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus 2.0 Step-Through S | Specialized Sirrus X 2.0 Step Through M | Difference |
|---|---|---|---|
| Reach | 400mm | 408mm | +8 mm |
| Stack | 563mm | 593mm | +30 mm |
| Head tube angle | 70° | 71° | +1.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 440mm | 440mm | ±0 mm |
| Wheelbase | 1068mm | 1077mm | +9 mm |
| Standover | 620mm | 641mm | +21 mm |
| Seat tube length | 450mm | 500mm | +50 mm |
| Fork length | 395mm | 395mm | ±0 mm |
| Head tube length | 147mm | 175mm | +28 mm |
Differences are the Specialized Sirrus X 2.0 Step Through minus the Specialized Sirrus 2.0 Step-Through. Full charts: 2022 Specialized Sirrus 2.0 Step-Through, 2021 Specialized Sirrus X 2.0 Step Through.
Where each sits in its class
Specialized Sirrus 2.0 Step-ThroughSpecialized Sirrus X 2.0 Step Through
Each bike is ranked against the other commuter bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Sirrus 2.0 Step-Through2.0 Step-Through | Specialized Sirrus X 2.0 Step Through |
|---|---|---|
| Shifter | Shimano Acera | not listed |
| Derailleur | microSHIFT RD-M26S, Shimano Tourney FD-TY710 | not listed |
| Cassette | Shimano Altus | not listed |
| Chain | KMC X8 | not listed |
| Crankset | Shimano Tourney | not listed |
| Tire | Specialized RoadSport Reflect | not listed |
| Brake | Promax F1 | not listed |
| Saddle | Specialized Bridge Sport | not listed |
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