2015 Specialized Roubaix SL4 Expert vs 2015 Specialized Secteur Sport Double
The 54 is the Specialized Secteur Sport Double size closest to your 54 Specialized Roubaix SL4 Expert. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Secteur Sport Double
Compared with the Specialized Roubaix SL4 Expert in 54, the Specialized Secteur Sport Double in 54 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Roubaix SL4 Expert, 54Specialized Secteur Sport Double, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Expert 54 | Specialized Secteur Sport Double 54 | Difference |
|---|---|---|---|
| Reach | 380mm | 380mm | ±0 mm |
| Stack | 563mm | 564mm | +1 mm |
| Head tube angle | 72° | 72° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Effective top tube | 548mm | 548mm | ±0 mm |
| Chainstay length | 415mm | 415mm | ±0 mm |
| Wheelbase | 1000mm | 1000mm | ±0 mm |
| BB drop | 71.5mm | 71.5mm | ±0 mm |
| Standover | 776mm | 776mm | ±0 mm |
| Seat tube length | 495mm | 466mm | −29 mm |
| Head tube length | 165mm | 165mm | ±0 mm |
Differences are the Specialized Secteur Sport Double minus the Specialized Roubaix SL4 Expert. Full charts: 2015 Specialized Roubaix SL4 Expert, 2015 Specialized Secteur Sport Double.
Where each sits in its class
Specialized Roubaix SL4 ExpertSpecialized 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 ExpertSL4 Expert | Specialized Secteur Sport DoubleSport Double |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Shifter | Shimano Ultegra | Shimano Sora |
| Derailleur | Shimano Ultegra | Shimano Sora |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | KMC X9 |
| Wheelset | Fulcrum S4 | Specialized AXIS Classic |
| Tire | Specialized Turbo Pro | Specialized Espoir Sport |
| Brake | Shimano Ultegra | Specialized Axis 1.0 |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Toupe Expert | Specialized Toupé Sport |
| Crankset | not listed | Shimano Sora |
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
