2020 Specialized Sirrus X 4.0 vs 2022 Specialized Sirrus 6.0
The M is the Specialized Sirrus 6.0 size closest to your M Specialized Sirrus X 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 6.0
Compared with the Specialized Sirrus X 4.0 in M, the Specialized Sirrus 6.0 in M places the top of the head tube 10 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus X 4.0, MSpecialized Sirrus 6.0, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus X 4.0 M | Specialized Sirrus 6.0 M | Difference |
|---|---|---|---|
| Reach | 382mm | 380mm | −2 mm |
| Stack | 635mm | 625mm | −10 mm |
| Head tube angle | 71° | 70° | −1.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 440mm | 440mm | ±0 mm |
| Wheelbase | 1065mm | 1065mm | ±0 mm |
| Standover | 778mm | 771.5mm | −7 mm |
| Seat tube length | 470mm | 330mm | −140 mm |
| Fork length | 395mm | 395mm | ±0 mm |
| Head tube length | 169mm | 151mm | −18 mm |
Differences are the Specialized Sirrus 6.0 minus the Specialized Sirrus X 4.0. Full charts: 2020 Specialized Sirrus X 4.0, 2022 Specialized Sirrus 6.0.
Where each sits in its class
Specialized Sirrus X 4.0Specialized Sirrus 6.0
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 X 4.04.0 | Specialized Sirrus 6.06.0 |
|---|---|---|
| Shifter | Shimano Deore | SRAM GX |
| Derailleur | Shimano Deore | SRAM GX Eagle |
| Chain | KMC X10 | SRAM GX Eagle |
| Tire | Specialized Pathfinder Sport | Specialized Roubaix Pro 2BR |
| Brake | Shimano MT200 | SRAM TLM |
| Saddle | Specialized Bridge | Specialized Power Sport |
| Cassette | not listed | SRAM NX Eagle |
| Crankset | not listed | SRAM Rival |
| Bottom bracket | not listed | SRAM DUB |
| Rim | not listed | DT Swiss R470 |
| Stem | not listed | Specialized Future |
| Seatpost | not listed | Roval Terra |
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