2015 Specialized Roubaix SL4 Disc vs 2015 Specialized Secteur Sport Double
The Specialized Secteur Sport Double size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Secteur Sport Double
Compared with the Specialized Roubaix SL4 Disc in 54, the Specialized Secteur Sport Double in 58 places the top of the head tube 59 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
- +59 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 Disc, 54Specialized Secteur Sport Double, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Disc 54 | Specialized Secteur Sport Double 58 | Difference |
|---|---|---|---|
| Reach | 380mm | 391mm | +11 mm |
| Stack | 563mm | 622mm | +59 mm |
| Head tube angle | 72° | 72.5° | +0.5° |
| Seat tube angle | 73.5° | 73° | −0.5° |
| Effective top tube | 548mm | 582mm | +34 mm |
| Chainstay length | 415mm | 418mm | +3 mm |
| Wheelbase | 1000mm | 1029mm | +29 mm |
| BB drop | 71.5mm | 70mm | −2 mm |
| Standover | 776mm | 829mm | +53 mm |
| Seat tube length | 495mm | 510mm | +15 mm |
| Head tube length | 165mm | 225mm | +60 mm |
Differences are the Specialized Secteur Sport Double minus the Specialized Roubaix SL4 Disc. Full charts: 2015 Specialized Roubaix SL4 Disc, 2015 Specialized Secteur Sport Double.
Where each sits in its class
Specialized Roubaix SL4 DiscSpecialized 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 SL4 DiscS-Works SL4 Disc | Specialized Secteur Sport DoubleSport Double |
|---|---|---|
| Frame | Specialized S-Works SL4 FACT | not listed |
| Wheelset | Roval Rapide CLX 40 SCS | Specialized AXIS Classic |
| Seatpost | Specialized CG-R | not listed |
| Shifter | not listed | Shimano Sora |
| Derailleur | not listed | Shimano Sora |
| Chain | not listed | KMC X9 |
| Crankset | not listed | Shimano Sora |
| Tire | not listed | Specialized Espoir Sport |
| Brake | not listed | Specialized Axis 1.0 |
| Saddle | not listed | Specialized Toupé Sport |
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