2014 Specialized Roubaix SL4 Expert Disc vs 2015 Specialized Secteur Double
The 52 is the Specialized Secteur Double size closest to your 520.0 Specialized Roubaix SL4 Expert Disc. 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 Double
Compared with the Specialized Roubaix SL4 Expert Disc in 520.0, the Specialized Secteur Double in 52 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- −1 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 Disc, 520.0Specialized Secteur Double, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Expert Disc 520.0 | Specialized Secteur Double 52 | Difference |
|---|---|---|---|
| Reach | 379mm | 378mm | −1 mm |
| Stack | 547mm | 547mm | ±0 mm |
| Head tube angle | 72° | 72° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Chainstay length | 412mm | 412mm | ±0 mm |
| Wheelbase | 990mm | 989mm | −1 mm |
| Standover | 756mm | 756mm | ±0 mm |
| Seat tube length | 475mm | 447mm | −28 mm |
| Head tube length | 145mm | 145mm | ±0 mm |
| Effective top tube | not listed | 537mm | |
| BB drop | not listed | 73mm |
Differences are the Specialized Secteur Double minus the Specialized Roubaix SL4 Expert Disc. Full charts: 2014 Specialized Roubaix SL4 Expert Disc, 2015 Specialized Secteur Double.
Where each sits in its class
Specialized Roubaix SL4 Expert DiscSpecialized 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 Expert DiscSL4 Expert Ultegra Di2 Disc | Specialized Secteur DoubleDouble |
|---|---|---|
| Frame | Specialized SL4 FACT | Specialized A1 Premium Aluminum |
| Fork | Specialized Roubaix FACT | Specialized FACT |
| Shifter | Shimano Di2 | Shimano Claris R2400 |
| Derailleur | Shimano Ultegra Di2 | Shimano Claris R2400 |
| Cassette | Shimano Ultegra | SunRace CS-8SP |
| Chain | Shimano Ultegra | KMC Z51 |
| Crankset | FSA SL-K | Shimano Claris |
| Wheelset | Specialized AXIS 4.0 | Specialized AXIS Classic |
| Tire | Specialized Roubaix Pro | Specialized Espoir Sport |
| Stem | Specialized Expert Pro-Set | Specialized 3D-forged |
| Seatpost | Specialized S-Works CG-R | not listed |
| Saddle | Specialized Romin Expert | Specialized Toupé Sport |
| Chainring | not listed | Shimano 50/34 |
| Pedals | not listed | Specialized nylon flat |
| Brake | not listed | Tektro caliper |
| Bar tape | not listed | Specialized Roubaix |
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