2020 Specialized Sirrus Step-Through Women's Spec vs 2021 Specialized Sirrus X 3.0
The Specialized Sirrus X 3.0 size closest to your M is the XS. Compare the XS instead
What changes on the Specialized Sirrus X 3.0
Compared with the Specialized Sirrus Step-Through Women's Spec in M, the Specialized Sirrus X 3.0 in S places the top of the head tube at about the same height and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- +10 mm
- Longer frame reach
- Wheelbase
- +21 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus Step-Through Women's Spec, MSpecialized Sirrus X 3.0, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Step-Through Women's Spec M | Specialized Sirrus X 3.0 S | Difference |
|---|---|---|---|
| Reach | 383mm | 393mm | +10 mm |
| Stack | 561mm | 563mm | +2 mm |
| Head tube angle | 71° | 70° | −1.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 440mm | 440mm | ±0 mm |
| Wheelbase | 1040mm | 1061mm | +21 mm |
| BB drop | 70mm | not listed | |
| BB height | 275mm | not listed | |
| Standover | 625mm | 755mm | +130 mm |
| Seat tube length | 450mm | 440mm | −10 mm |
| Fork length | 390mm | 395mm | +5 mm |
| Head tube length | 146mm | 147mm | +1 mm |
Differences are the Specialized Sirrus X 3.0 minus the Specialized Sirrus Step-Through Women's Spec. Full charts: 2020 Specialized Sirrus Step-Through Women's Spec, 2021 Specialized Sirrus X 3.0.
Where each sits in its class
Specialized Sirrus Step-Through Women's SpecSpecialized Sirrus X 3.0
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 Step-Through Women's SpecStep-Through Women's Spec | Specialized Sirrus X 3.03.0 |
|---|---|---|
| Shifter | Shimano Acera | Shimano Deore M4100 |
| Derailleur | Shimano Tourney, Shimano Altus | Shimano Deore M4120 |
| Cassette | Shimano Altus | Shimano Deore |
| Chain | KMC X8 | KMC X10 |
| Tire | Specialized Nimbus II Sport Reflect | Specialized Pathfinder Sport |
| Brake | Promax F1 | Tektro HD-R280 |
| Saddle | Specialized Aldia Sport | Specialized Bridge Sport |
| Grips | not listed | Specialized Neutralizer |
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