2022 Specialized Crossroads 2.0 Step Through vs 2023 Specialized Sirrus 4.0
The S is the Specialized Sirrus 4.0 size closest to your M Specialized Crossroads 2.0 Step Through. 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 4.0
Compared with the Specialized Crossroads 2.0 Step Through in M, the Specialized Sirrus 4.0 in S places the top of the head tube 4 mm lower and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Specialized Crossroads 2.0 Step Through, MSpecialized Sirrus 4.0, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Crossroads 2.0 Step Through M | Specialized Sirrus 4.0 S | Difference |
|---|---|---|---|
| Reach | 371mm | 376mm | +5 mm |
| Stack | 610mm | 606mm | −4 mm |
| Head tube angle | 69.5° | 70° | +0.5° |
| Seat tube angle | 73° | 73.5° | +0.5° |
| Chainstay length | 445mm | 440mm | −5 mm |
| Wheelbase | 1065mm | 1060mm | −5 mm |
| Standover | 573mm | 750mm | +177 mm |
| Seat tube length | 435mm | 440mm | +5 mm |
| Fork length | 410mm | 395mm | −15 mm |
| Head tube length | 183mm | 143mm | −40 mm |
Differences are the Specialized Sirrus 4.0 minus the Specialized Crossroads 2.0 Step Through. Full charts: 2022 Specialized Crossroads 2.0 Step Through, 2023 Specialized Sirrus 4.0.
Where each sits in its class
Specialized Crossroads 2.0 Step ThroughSpecialized Sirrus 4.0
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 Crossroads 2.0 Step Through2.0 Step Through | Specialized Sirrus 4.04.0 |
|---|---|---|
| Fork | Specialized Crossroads | not listed |
| Shifter | microSHIFT TS39 | Shimano Tiagra |
| Derailleur | microSHIFT RD-M26S, microSHIFT FD-T202 | Shimano Tiagra FD-4700, Shimano Tiagra |
| Chain | KMC Z7 | KMC X10 |
| Tire | Specialized Nimbus II Armadillo Reflect | Specialized RoadSport Reflect |
| Cassette | not listed | Shimano CS-HG500 |
| Crankset | not listed | Praxis Alba M24 |
| Bottom bracket | not listed | Praxis M24 |
| Brake | not listed | Shimano MT200 |
| Stem | not listed | Specialized Future |
| Saddle | not listed | Specialized Bridge |
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