2015 Specialized Secteur Elite Double vs 2016 Specialized Roubaix SL4 Expert Disc UDi2
The 64.0 is the Specialized Roubaix SL4 Expert Disc UDi2 size closest to your 64 Specialized Secteur Elite Double. 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 Roubaix SL4 Expert Disc UDi2
Compared with the Specialized Secteur Elite Double in 64, the Specialized Roubaix SL4 Expert Disc UDi2 in 64.0 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 Secteur Elite Double, 64Specialized Roubaix SL4 Expert Disc UDi2, 64.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Secteur Elite Double 64 | Specialized Roubaix SL4 Expert Disc UDi2 64.0 | Difference |
|---|---|---|---|
| Reach | 408mm | 409 | +1 mm |
| Stack | 657mm | 657 | ±0 mm |
| Head tube angle | 73° | 73 | ±0.0° |
| Seat tube angle | 72.5° | 72.5 | ±0.0° |
| Effective top tube | 615mm | 616 | +1 mm |
| Chainstay length | 420mm | 420 | ±0 mm |
| Wheelbase | 1053mm | 1054 | +1 mm |
| BB drop | 70mm | 70 | ±0 mm |
| Standover | 877mm | 852 | −25 mm |
| Seat tube length | 575mm | 600 | +25 mm |
| Head tube length | 260mm | 260 | ±0 mm |
| BB height | not listed | 272.5 | |
| Fork length | not listed | 368 |
Differences are the Specialized Roubaix SL4 Expert Disc UDi2 minus the Specialized Secteur Elite Double. Full charts: 2015 Specialized Secteur Elite Double, 2016 Specialized Roubaix SL4 Expert Disc UDi2.
Where each sits in its class
Specialized Secteur Elite DoubleSpecialized Roubaix SL4 Expert Disc UDi2
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 Secteur Elite DoubleElite Double | Specialized Roubaix SL4 Expert Disc UDi2SL4 Expert Disc UDi2 |
|---|---|---|
| Shifter | Shimano Tiagra | Shimano 785 Di2 |
| Derailleur | Shimano Tiagra | Shimano Ultegra Di2 |
| Cassette | Shimano Tiagra | Shimano Ultegra |
| Chain | KMC X-10 | Shimano Ultegra |
| Crankset | Shimano Tiagra | Shimano Ultegra |
| Wheelset | Specialized AXIS Classic | Fulcrum S-19 |
| Tire | Specialized Espoir Sport | Specialized Turbo Pro |
| Brake | Specialized Axis 1.0 | Shimano BR-785 |
| Saddle | Specialized Toupé Sport | Specialized Phenom Expert |
| Frame | not listed | Specialized SL4 FACT |
| Fork | not listed | Specialized FACT carbon |
| Handlebar | not listed | Specialized Expert |
| Stem | not listed | Specialized Pro SL |
| Bar tape | not listed | Specialized CX Pro |
| Seatpost | not listed | Specialized CG-R |
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