2014 Specialized Secteur Sport vs 2016 Specialized Roubaix SL4 Expert Disc UDi2
The Specialized Roubaix SL4 Expert Disc UDi2 size closest to your 56.0 is the 56.0. Compare the 56.0 instead
What changes on the Specialized Roubaix SL4 Expert Disc UDi2
Compared with the Specialized Secteur Sport in 56.0, the Specialized Roubaix SL4 Expert Disc UDi2 in 61.0 places the top of the head tube 53 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 29 mm longer, which can contribute to stability at speed.
- Frame stack
- +53 mm
- Higher front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +29 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Specialized Secteur Sport, 56.0Specialized Roubaix SL4 Expert Disc UDi2, 61.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Secteur Sport 56.0 | Specialized Roubaix SL4 Expert Disc UDi2 61.0 | Difference |
|---|---|---|---|
| Reach | 387mm | 398 | +11 mm |
| Stack | 590mm | 643 | +53 mm |
| Head tube angle | 72.5° | 73 | +0.5° |
| Seat tube angle | 73.25° | 72.5 | −0.8° |
| Chainstay length | 415mm | 420 | +5 mm |
| Wheelbase | 1010mm | 1039 | +29 mm |
| Standover | 798mm | 851 | +53 mm |
| Seat tube length | 485mm | 565 | +80 mm |
| Head tube length | 190mm | 245 | +55 mm |
| Effective top tube | not listed | 601 | |
| BB drop | not listed | 70 | |
| BB height | not listed | 272.5 | |
| Fork length | not listed | 368 |
Differences are the Specialized Roubaix SL4 Expert Disc UDi2 minus the Specialized Secteur Sport. Full charts: 2014 Specialized Secteur Sport, 2016 Specialized Roubaix SL4 Expert Disc UDi2.
Where each sits in its class
Specialized Secteur SportSpecialized 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 SportSport | Specialized Roubaix SL4 Expert Disc UDi2SL4 Expert Disc UDi2 |
|---|---|---|
| Shifter | Shimano Sora | Shimano 785 Di2 |
| Derailleur | Shimano Sora | Shimano Ultegra Di2 |
| Cassette | Shimano HG50 | Shimano Ultegra |
| Chain | KMC X9 | Shimano Ultegra |
| Crankset | FSA Tempo | Shimano Ultegra |
| Wheelset | Specialized AXIS Classic | Fulcrum S-19 |
| Tire | Specialized Espoir Sport | Specialized Turbo Pro |
| Saddle | Specialized Riva Plus | Specialized Phenom Expert |
| Frame | not listed | Specialized SL4 FACT |
| Fork | not listed | Specialized FACT carbon |
| Brake | not listed | Shimano BR-785 |
| 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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