2015 Specialized Roubaix SL4 Double vs 2015 Specialized Secteur Double
The Specialized Secteur Double size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Secteur Double
Compared with the Specialized Roubaix SL4 Double in 54, the Specialized Secteur 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 Double, 54Specialized Secteur Double, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Double 54 | Specialized Secteur 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 Double minus the Specialized Roubaix SL4 Double. Full charts: 2015 Specialized Roubaix SL4 Double, 2015 Specialized Secteur Double.
Where each sits in its class
Specialized Roubaix SL4 DoubleSpecialized Secteur 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 DoubleSL4 Double | Specialized Secteur DoubleDouble |
|---|---|---|
| Frame | Specialized SL4 FACT | Specialized A1 Premium Aluminum |
| Shifter | Shimano Sora | Shimano Claris R2400 |
| Derailleur | Shimano Sora | Shimano Claris R2400 |
| Cassette | Shimano HG50 | SunRace CS-8SP |
| Chain | KMC X9 | KMC Z51 |
| Crankset | Shimano Sora | Shimano Claris |
| Wheelset | Specialized AXIS 1.0 | Specialized AXIS Classic |
| Tire | Specialized Espoir Elite | Specialized Espoir Sport |
| Brake | Specialized Axis 1.0 | Tektro caliper |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Toupé Sport | Specialized Toupé Sport |
| Fork | not listed | Specialized FACT |
| Chainring | not listed | Shimano 50/34 |
| Pedals | not listed | Specialized nylon flat |
| Stem | not listed | Specialized 3D-forged |
| Bar tape | not listed | Specialized Roubaix |
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