2020 Specialized Sirrus 1.0 vs 2021 Specialized Sirrus X 3.0
The Specialized Sirrus X 3.0 size closest to your S is the S. Compare the S instead
What changes on the Specialized Sirrus X 3.0
Compared with the Specialized Sirrus 1.0 in S, the Specialized Sirrus X 3.0 in XXS places the top of the head tube 26 mm lower and 20 mm further back, relative to the bottom bracket. Its wheelbase is 25 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −26 mm
- Lower front end
- Frame reach
- −20 mm
- Shorter frame reach
- Wheelbase
- −25 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus 1.0, SSpecialized Sirrus X 3.0, XXSDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus 1.0 S | Specialized Sirrus X 3.0 XXS | Difference |
|---|---|---|---|
| Reach | 393mm | 373mm | −20 mm |
| Stack | 562mm | 536mm | −26 mm |
| Head tube angle | 70° | 69.5° | −0.5° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 440mm | 440mm | ±0 mm |
| Wheelbase | 1061mm | 1036mm | −25 mm |
| Standover | 745mm | 702mm | −43 mm |
| Seat tube length | 440mm | 360mm | −80 mm |
| Fork length | 395mm | 395mm | ±0 mm |
| Head tube length | 147mm | 121mm | −26 mm |
Differences are the Specialized Sirrus X 3.0 minus the Specialized Sirrus 1.0. Full charts: 2020 Specialized Sirrus 1.0, 2021 Specialized Sirrus X 3.0.
Where each sits in its class
Specialized Sirrus 1.0Specialized 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 1.01.0 | Specialized Sirrus X 3.03.0 |
|---|---|---|
| Shifter | Shimano EF500 | Shimano Deore M4100 |
| Derailleur | Shimano Tourney, Shimano Altus | Shimano Deore M4120 |
| Cassette | Shimano HG200 | Shimano Deore |
| Chain | KMC X8 | KMC X10 |
| Crankset | Shimano Tourney | not listed |
| Tire | Specialized Roadsport | Specialized Pathfinder Sport |
| Saddle | Specialized Bridge Sport | Specialized Bridge Sport |
| Brake | not listed | Tektro HD-R280 |
| Grips | not listed | Specialized Neutralizer |
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