2015 Specialized Roubaix SL4 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 in 54, the Specialized Secteur Double in 61 places the top of the head tube 80 mm higher and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 38 mm longer, which can contribute to stability at speed.
- Frame stack
- +80 mm
- Higher front end
- Frame reach
- +18 mm
- Longer frame reach
- Wheelbase
- +38 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Roubaix SL4, 54Specialized Secteur Double, 61Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 54 | Specialized Secteur Double 61 | Difference |
|---|---|---|---|
| Reach | 380mm | 398mm | +18 mm |
| Stack | 563mm | 643mm | +80 mm |
| Head tube angle | 72° | 73° | +1.0° |
| Seat tube angle | 73.5° | 72.5° | −1.0° |
| Effective top tube | 548mm | 600mm | +52 mm |
| Chainstay length | 415mm | 420mm | +5 mm |
| Wheelbase | 1000mm | 1038mm | +38 mm |
| BB drop | 71.5mm | 70mm | −2 mm |
| Standover | 776mm | 851mm | +75 mm |
| Seat tube length | 495mm | 535mm | +40 mm |
| Head tube length | 165mm | 245mm | +80 mm |
Differences are the Specialized Secteur Double minus the Specialized Roubaix SL4. Full charts: 2015 Specialized Roubaix SL4, 2015 Specialized Secteur Double.
Where each sits in its class
Specialized Roubaix SL4Specialized 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 SL4S-Works SL4 | Specialized Secteur DoubleDouble |
|---|---|---|
| Frame | Specialized S-Works SL4 FACT | Specialized A1 Premium Aluminum |
| Seatpost | Specialized CG-R | not listed |
| Fork | not listed | Specialized FACT |
| Shifter | not listed | Shimano Claris R2400 |
| Derailleur | not listed | Shimano Claris R2400 |
| Cassette | not listed | SunRace CS-8SP |
| Chain | not listed | KMC Z51 |
| Crankset | not listed | Shimano Claris |
| Chainring | not listed | Shimano 50/34 |
| Pedals | not listed | Specialized nylon flat |
| Wheelset | not listed | Specialized AXIS Classic |
| Tire | not listed | Specialized Espoir Sport |
| Brake | not listed | Tektro caliper |
| Stem | not listed | Specialized 3D-forged |
| Bar tape | not listed | Specialized Roubaix |
| Saddle | not listed | Specialized Toupé Sport |
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