2015 Specialized Roubaix SL4 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 in 54, the Specialized Secteur Sport Double in 56 places the top of the head tube 27 mm higher and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 10 mm longer, which can contribute to stability at speed.
- Frame stack
- +27 mm
- Higher front end
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- +10 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Roubaix SL4, 54Specialized Secteur Sport Double, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 54 | Specialized Secteur Sport Double 56 | Difference |
|---|---|---|---|
| Reach | 380mm | 387mm | +7 mm |
| Stack | 563mm | 590mm | +27 mm |
| Head tube angle | 72° | 72.5° | +0.5° |
| Seat tube angle | 73.5° | 73.25° | −0.3° |
| Effective top tube | 548mm | 565mm | +17 mm |
| Chainstay length | 415mm | 415mm | ±0 mm |
| Wheelbase | 1000mm | 1010mm | +10 mm |
| BB drop | 71.5mm | 71.5mm | ±0 mm |
| Standover | 776mm | 798mm | +22 mm |
| Seat tube length | 495mm | 485mm | −10 mm |
| Head tube length | 165mm | 190mm | +25 mm |
Differences are the Specialized Secteur Sport Double minus the Specialized Roubaix SL4. Full charts: 2015 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 |
| 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 |
| 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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