2017 Specialized Sirrus Sport Carbon vs 2019 Cannondale Quick Disc
The XXL is the Cannondale Quick Disc size closest to your XL Specialized Sirrus Sport 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 Cannondale Quick Disc
Compared with the Specialized Sirrus Sport Carbon in XL, the Cannondale Quick Disc in XXL places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 29 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +29 mm
- Longer: steadier at speed
- Head angle
- −2.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Sirrus Sport Carbon, XLCannondale Quick Disc, XXLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Sirrus Sport Carbon XL | Cannondale Quick Disc XXL | Difference |
|---|---|---|---|
| Reach | 420mm | 420 | ±0 mm |
| Stack | 650mm | 650 | ±0 mm |
| Head tube angle | 72° | 70 | −2.0° |
| Seat tube angle | 73° | 73 | ±0.0° |
| Effective top tube | 619mm | 619 | ±0 mm |
| Chainstay length | 435mm | 435 | ±0 mm |
| Wheelbase | 1091mm | 1120 | +29 mm |
| BB drop | 70mm | 68 | −2 mm |
| BB height | 275mm | 277 | +2 mm |
| Standover | 860.3mm | 852 | −8 mm |
| Seat tube length | 570mm | 600 | +30 mm |
| Fork length | 398mm | not listed | |
| Head tube length | 225mm | 236 | +11 mm |
Differences are the Cannondale Quick Disc minus the Specialized Sirrus Sport Carbon. Full charts: 2017 Specialized Sirrus Sport Carbon, 2019 Cannondale Quick Disc.
Where each sits in its class
Specialized Sirrus Sport CarbonCannondale Quick Disc
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 Sport CarbonSport Carbon | Cannondale Quick DiscDisc 1 |
|---|---|---|
| Derailleur | microSHIFT R9, Shimano Alivio | Shimano 105, Shimano 105 GS |
| Chain | SRAM PC-971 | Shimano HG601 |
| Crankset | FSA Vero | FSA Omega |
| Bottom bracket | Specialized BB-7420STw/Bolts | not listed |
| Tire | Specialized Espoir Sport Reflect | Schwalbe Spicer |
| Brake | Shimano Acera M315 | Shimano MT201 hydro |
| Stem | Specialized Flowset | Cannondale C3 |
| Saddle | Specialized Canopy Comp | Cannondale Performance |
| Shifter | not listed | Shimano RS700 FB |
| Cassette | not listed | Shimano 105 |
| Pedals | not listed | Cannondale Reinforced |
| Rim | not listed | DC3.0 |
| Handlebar | not listed | Cannondale C3 |
| Grips | not listed | Cannondale Density |
| Seatpost | not listed | Cannondale C3 |
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