2014 Specialized Roubaix SL4 vs 2015 Specialized Secteur Sport Double
The Specialized Secteur Sport Double size closest to your 540.0 is the 54. Compare the 54 instead
What changes on the Specialized Secteur Sport Double
Compared with the Specialized Roubaix SL4 in 540.0, the Specialized Secteur Sport Double in 58 places the top of the head tube 58 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 29 mm longer, which can contribute to stability at speed.
- Frame stack
- +58 mm
- Higher front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +29 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Specialized Roubaix SL4, 540.0Specialized Secteur Sport Double, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 540.0 | Specialized Secteur Sport Double 58 | Difference |
|---|---|---|---|
| Reach | 380mm | 391mm | +11 mm |
| Stack | 564mm | 622mm | +58 mm |
| Head tube angle | 72° | 72.5° | +0.5° |
| Seat tube angle | 73.5° | 73° | −0.5° |
| Chainstay length | 415mm | 418mm | +3 mm |
| Wheelbase | 1000mm | 1029mm | +29 mm |
| Standover | 776mm | 829mm | +53 mm |
| Seat tube length | 495mm | 510mm | +15 mm |
| Head tube length | 165mm | 225mm | +60 mm |
| Effective top tube | not listed | 582mm | |
| BB drop | not listed | 70mm |
Differences are the Specialized Secteur Sport Double minus the Specialized Roubaix SL4. Full charts: 2014 Specialized Roubaix SL4, 2015 Specialized Secteur Sport Double.
Where each sits in its class
Specialized Roubaix SL4Specialized Secteur Sport Double
Each bike is ranked against the other road 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 Roubaix SL4S-Works SL4 | Specialized Secteur Sport DoubleSport Double |
|---|---|---|
| Frame | Specialized S-Works SL4 FACT | not listed |
| Fork | Specialized S-Works Roubaix FACT | not listed |
| Seatpost | Specialized S-Works CG-R | not listed |
| Shifter | not listed | Shimano Sora |
| Derailleur | not listed | Shimano Sora |
| Chain | not listed | KMC X9 |
| Crankset | not listed | Shimano Sora |
| Wheelset | not listed | Specialized AXIS Classic |
| Tire | not listed | Specialized Espoir Sport |
| Brake | not listed | Specialized Axis 1.0 |
| Saddle | not listed | Specialized Toupé Sport |
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