2021 Specialized Sirrus 4.0 vs 2019 Specialized Sirrus X Women's Comp Carbon
The XL is the Specialized Sirrus X Women's Comp Carbon size closest to your XXL Specialized Sirrus 4.0. 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 Women's Comp Carbon
Compared with the Specialized Sirrus 4.0 in XXL, the Specialized Sirrus X Women's Comp Carbon in XL places the top of the head tube 60 mm lower and 24 mm further back, relative to the bottom bracket. Its wheelbase is 38 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −60 mm
- Lower front end
- Frame reach
- −24 mm
- Shorter frame reach
- Wheelbase
- −38 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus 4.0, XXLSpecialized Sirrus X Women's Comp Carbon, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus 4.0 XXL | Specialized Sirrus X Women's Comp Carbon XL | Difference |
|---|---|---|---|
| Reach | 410mm | 386mm | −24 mm |
| Stack | 709mm | 649mm | −60 mm |
| Head tube angle | 72° | 71.5° | −0.5° |
| Seat tube angle | 73° | 73.5° | +0.5° |
| Chainstay length | 435mm | 435mm | ±0 mm |
| Wheelbase | 1101mm | 1063mm | −38 mm |
| Standover | 875mm | 813mm | −62 mm |
| Seat tube length | 563mm | 483mm | −80 mm |
| Fork length | 390mm | 390mm | ±0 mm |
| Head tube length | 246mm | 186mm | −60 mm |
| Effective top tube | not listed | 580mm | |
| BB drop | not listed | 70mm | |
| BB height | not listed | 275mm |
Differences are the Specialized Sirrus X Women's Comp Carbon minus the Specialized Sirrus 4.0. Full charts: 2021 Specialized Sirrus 4.0, 2019 Specialized Sirrus X Women's Comp Carbon.
Where each sits in its class
Specialized Sirrus 4.0Specialized Sirrus X Women's Comp Carbon
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 4.04.0 | Specialized Sirrus X Women's Comp CarbonWomen's Comp Carbon |
|---|---|---|
| Derailleur | microSHIFT R9, Shimano Sora | SRAM NX |
| Cassette | Shimano Sora | not listed |
| Chain | KMC X9 | KMC X-11 |
| Tire | Specialized RoadSport Reflect | Specialized Tracer Pro |
| Brake | Tektro HD-R280 | Shimano MT201 |
| Saddle | Specialized Power Sport | Specialized Aldia Comp |
| Shifter | not listed | SRAM NX |
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