2014 Specialized Roubaix SL4 Expert Disc 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 Expert Disc in 540.0, the Specialized Secteur Sport Double in 61 places the top of the head tube 79 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
- +79 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 Expert Disc, 540.0Specialized Secteur Sport Double, 61Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Expert Disc 540.0 | Specialized Secteur Sport Double 61 | Difference |
|---|---|---|---|
| Reach | 380mm | 398mm | +18 mm |
| Stack | 564mm | 643mm | +79 mm |
| Head tube angle | 72° | 73° | +1.0° |
| Seat tube angle | 73.5° | 72.5° | −1.0° |
| Chainstay length | 415mm | 420mm | +5 mm |
| Wheelbase | 1000mm | 1038mm | +38 mm |
| Standover | 776mm | 851mm | +75 mm |
| Seat tube length | 495mm | 535mm | +40 mm |
| Head tube length | 165mm | 245mm | +80 mm |
| Effective top tube | not listed | 600mm | |
| BB drop | not listed | 70mm |
Differences are the Specialized Secteur Sport Double minus the Specialized Roubaix SL4 Expert Disc. Full charts: 2014 Specialized Roubaix SL4 Expert Disc, 2015 Specialized Secteur Sport Double.
Where each sits in its class
Specialized Roubaix SL4 Expert 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 Expert DiscSL4 Expert Ultegra Di2 Disc | Specialized Secteur Sport DoubleSport Double |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Fork | Specialized Roubaix FACT | not listed |
| Shifter | Shimano Di2 | Shimano Sora |
| Derailleur | Shimano Ultegra Di2 | Shimano Sora |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | KMC X9 |
| Crankset | FSA SL-K | Shimano Sora |
| Wheelset | Specialized AXIS 4.0 | Specialized AXIS Classic |
| Tire | Specialized Roubaix Pro | Specialized Espoir Sport |
| Stem | Specialized Expert Pro-Set | not listed |
| Seatpost | Specialized S-Works CG-R | not listed |
| Saddle | Specialized Romin Expert | Specialized Toupé Sport |
| Brake | not listed | Specialized Axis 1.0 |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
