2015 Specialized Secteur Elite Double vs 2016 Specialized Roubaix SL4 Expert Disc UDi2
The Specialized Roubaix SL4 Expert Disc UDi2 size closest to your 56 is the 56.0. Compare the 56.0 instead
What changes on the Specialized Roubaix SL4 Expert Disc UDi2
Compared with the Specialized Secteur Elite Double in 56, the Specialized Roubaix SL4 Expert Disc UDi2 in 49.0 places the top of the head tube 62 mm lower and 9 mm further back, relative to the bottom bracket. Its wheelbase is 27 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −62 mm
- Lower front end
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- −27 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Specialized Secteur Elite Double, 56Specialized Roubaix SL4 Expert Disc UDi2, 49.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Secteur Elite Double 56 | Specialized Roubaix SL4 Expert Disc UDi2 49.0 | Difference |
|---|---|---|---|
| Reach | 387mm | 378 | −9 mm |
| Stack | 590mm | 528 | −62 mm |
| Head tube angle | 72.5° | 72 | −0.5° |
| Seat tube angle | 73.25° | 75.5 | +2.3° |
| Effective top tube | 565mm | 514 | −51 mm |
| Chainstay length | 415mm | 412 | −3 mm |
| Wheelbase | 1010mm | 983 | −27 mm |
| BB drop | 71.5mm | 73 | +2 mm |
| Standover | 798mm | 730 | −68 mm |
| Seat tube length | 485mm | 445 | −40 mm |
| Head tube length | 190mm | 125 | −65 mm |
| BB height | not listed | 269.5 | |
| 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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