2019 Specialized Sirrus Men's Pro Carbon vs 2020 Specialized Sirrus X Comp Carbon Men's Spec
The L is the Specialized Sirrus X Comp Carbon Men's Spec size closest to your L Specialized Sirrus Men's Pro Carbon. 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 Comp Carbon Men's Spec
Compared with the Specialized Sirrus Men's Pro Carbon in L, the Specialized Sirrus X Comp Carbon Men's Spec in L places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus Men's Pro Carbon, LSpecialized Sirrus X Comp Carbon Men's Spec, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Men's Pro Carbon L | Specialized Sirrus X Comp Carbon Men's Spec L | Difference |
|---|---|---|---|
| Reach | 386mm | 386mm | ±0 mm |
| Stack | 649mm | 649mm | ±0 mm |
| Head tube angle | 71.5° | 71.5° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Effective top tube | 580mm | not listed | |
| Chainstay length | 435mm | 435mm | ±0 mm |
| Wheelbase | 1063mm | 1063mm | ±0 mm |
| BB drop | 70mm | 70mm | ±0 mm |
| BB height | 275mm | 275mm | ±0 mm |
| Standover | 813mm | 813mm | ±0 mm |
| Seat tube length | 483mm | 483mm | ±0 mm |
| Fork length | 390mm | 390mm | ±0 mm |
| Head tube length | 186mm | 186mm | ±0 mm |
Differences are the Specialized Sirrus X Comp Carbon Men's Spec minus the Specialized Sirrus Men's Pro Carbon. Full charts: 2019 Specialized Sirrus Men's Pro Carbon, 2020 Specialized Sirrus X Comp Carbon Men's Spec.
Where each sits in its class
Specialized Sirrus Men's Pro CarbonSpecialized Sirrus X Comp Carbon Men's Spec
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 Men's Pro CarbonMen's Pro Carbon | Specialized Sirrus X Comp Carbon Men's SpecComp Carbon Men's Spec |
|---|---|---|
| Derailleur | microSHIFT Centos, Shimano Ultegra R8000 | SRAM NX |
| Cassette | Shimano 105 | not listed |
| Chain | KMC X-11 | KMC X11 |
| Crankset | Praxis Zayante | not listed |
| Tire | Specialized Espoir Sport Reflect | Specialized Tracer Pro |
| Brake | TRP Flow | Shimano MT201 |
| Seatpost | Specialized S-Works CG-R | not listed |
| Saddle | Specialized Phenom | Specialized Canopy |
| Shifter | not listed | SRAM NX |
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