2023 Specialized Sirrus 4.0 vs 2022 Specialized Crossroads 1.0 Step Through
The M is the Specialized Crossroads 1.0 Step Through size closest to your S 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 Crossroads 1.0 Step Through
Compared with the Specialized Sirrus 4.0 in S, the Specialized Crossroads 1.0 Step Through in M places the top of the head tube 4 mm higher and 5 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Sirrus 4.0, SSpecialized Crossroads 1.0 Step Through, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus 4.0 S | Specialized Crossroads 1.0 Step Through M | Difference |
|---|---|---|---|
| Reach | 376mm | 371mm | −5 mm |
| Stack | 606mm | 610mm | +4 mm |
| Head tube angle | 70° | 69.5° | −0.5° |
| Seat tube angle | 73.5° | 73° | −0.5° |
| Chainstay length | 440mm | 445mm | +5 mm |
| Wheelbase | 1060mm | 1065mm | +5 mm |
| Standover | 750mm | 573mm | −177 mm |
| Seat tube length | 440mm | 435mm | −5 mm |
| Fork length | 395mm | 410mm | +15 mm |
| Head tube length | 143mm | 183mm | +40 mm |
Differences are the Specialized Crossroads 1.0 Step Through minus the Specialized Sirrus 4.0. Full charts: 2023 Specialized Sirrus 4.0, 2022 Specialized Crossroads 1.0 Step Through.
Where each sits in its class
Specialized Sirrus 4.0Specialized Crossroads 1.0 Step Through
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 Crossroads 1.0 Step Through1.0 Step Through |
|---|---|---|
| Shifter | Shimano Tiagra | microSHIFT TS39 |
| Derailleur | Shimano Tiagra FD-4700, Shimano Tiagra | microSHIFT RD-M26S |
| Cassette | Shimano CS-HG500 | not listed |
| Chain | KMC X10 | KMC Z7 |
| Crankset | Praxis Alba M24 | not listed |
| Bottom bracket | Praxis M24 | not listed |
| Tire | Specialized RoadSport Reflect | Specialized Nimbus II Sport Reflect |
| Brake | Shimano MT200 | not listed |
| Stem | Specialized Future | not listed |
| Saddle | Specialized Bridge | not listed |
| Fork | not listed | Specialized Crossroads |
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