2016 Specialized Roubaix SL4 Expert Disc UDi2 vs 2015 Specialized Secteur Elite Double
The Specialized Secteur Elite Double size closest to your 56.0 is the 56. Compare the 56 instead
What changes on the Specialized Secteur Elite Double
Compared with the Specialized Roubaix SL4 Expert Disc UDi2 in 56.0, the Specialized Secteur Elite Double in 52 places the top of the head tube 43 mm lower and 9 mm further back, relative to the bottom bracket. Its wheelbase is 22 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −43 mm
- Lower front end
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- −22 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Specialized Roubaix SL4 Expert Disc UDi2, 56.0Specialized Secteur Elite Double, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Expert Disc UDi2 56.0 | Specialized Secteur Elite Double 52 | Difference |
|---|---|---|---|
| Reach | 387 | 378mm | −9 mm |
| Stack | 590 | 547mm | −43 mm |
| Head tube angle | 72.5 | 72° | −0.5° |
| Seat tube angle | 73.25 | 74° | +0.8° |
| Effective top tube | 565 | 537mm | −28 mm |
| Chainstay length | 415 | 412mm | −3 mm |
| Wheelbase | 1011 | 989mm | −22 mm |
| BB drop | 71.5 | 73mm | +2 mm |
| BB height | 271 | not listed | |
| Standover | 798 | 756mm | −42 mm |
| Seat tube length | 515 | 447mm | −68 mm |
| Fork length | 368 | not listed | |
| Head tube length | 190 | 145mm | −45 mm |
Differences are the Specialized Secteur Elite Double minus the Specialized Roubaix SL4 Expert Disc UDi2. Full charts: 2016 Specialized Roubaix SL4 Expert Disc UDi2, 2015 Specialized Secteur Elite Double.
Where each sits in its class
Specialized Roubaix SL4 Expert Disc UDi2Specialized Secteur Elite 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 Disc UDi2SL4 Expert Disc UDi2 | Specialized Secteur Elite DoubleElite Double |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Fork | Specialized FACT carbon | not listed |
| Shifter | Shimano 785 Di2 | Shimano Tiagra |
| Derailleur | Shimano Ultegra Di2 | Shimano Tiagra |
| Cassette | Shimano Ultegra | Shimano Tiagra |
| Chain | Shimano Ultegra | KMC X-10 |
| Crankset | Shimano Ultegra | Shimano Tiagra |
| Wheelset | Fulcrum S-19 | Specialized AXIS Classic |
| Tire | Specialized Turbo Pro | Specialized Espoir Sport |
| Brake | Shimano BR-785 | Specialized Axis 1.0 |
| Handlebar | Specialized Expert | not listed |
| Stem | Specialized Pro SL | not listed |
| Bar tape | Specialized CX Pro | not listed |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Phenom Expert | Specialized Toupé Sport |
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