2019 Specialized Sirrus Women's Elite Step-Through Alloy vs 2021 Specialized Sirrus X 3.0
The M is the Specialized Sirrus X 3.0 size closest to your L Specialized Sirrus Women's Elite Step-Through Alloy. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Sirrus X 3.0
Compared with the Specialized Sirrus Women's Elite Step-Through Alloy in L, the Specialized Sirrus X 3.0 in M places the top of the head tube 3 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus Women's Elite Step-Through Alloy, LSpecialized Sirrus X 3.0, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Women's Elite Step-Through Alloy L | Specialized Sirrus X 3.0 M | Difference |
|---|---|---|---|
| Reach | 393mm | 398mm | +5 mm |
| Stack | 590mm | 593mm | +3 mm |
| Head tube angle | 71° | 71° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Effective top tube | 568mm | not listed | |
| Chainstay length | 440mm | 440mm | ±0 mm |
| Wheelbase | 1060mm | 1067mm | +7 mm |
| BB drop | 70mm | not listed | |
| BB height | 275mm | not listed | |
| Standover | 625mm | 785mm | +160 mm |
| Seat tube length | 500mm | 470mm | −30 mm |
| Fork length | 390mm | 395mm | +5 mm |
| Head tube length | 176mm | 175mm | −1 mm |
Differences are the Specialized Sirrus X 3.0 minus the Specialized Sirrus Women's Elite Step-Through Alloy. Full charts: 2019 Specialized Sirrus Women's Elite Step-Through Alloy, 2021 Specialized Sirrus X 3.0.
Where each sits in its class
Specialized Sirrus Women's Elite Step-Through AlloySpecialized 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 Women's Elite Step-Through AlloyWomen's Elite Step-Through Alloy | Specialized Sirrus X 3.03.0 |
|---|---|---|
| Derailleur | microSHIFT Centos, Shimano Tiagra | Shimano Deore M4120 |
| Cassette | Shimano Tiagra | Shimano Deore |
| Chain | KMC X-10 | KMC X10 |
| Crankset | Praxis Alba M24 | not listed |
| Bottom bracket | Praxis M24 | not listed |
| Tire | Specialized Espoir Sport Reflect | Specialized Pathfinder Sport |
| Brake | TRP Flow | Tektro HD-R280 |
| Stem | Specialized Flowset | not listed |
| Saddle | Specialized Aldia Comp | Specialized Bridge Sport |
| Shifter | not listed | Shimano Deore M4100 |
| Grips | not listed | Specialized Neutralizer |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app



