2014 Specialized Secteur Expert Disc vs 2014 Specialized Roubaix SL4 Sora Disc
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Roubaix SL4 Sora Disc
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- +11 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Only the Specialized Secteur Expert Disc is drawn. The Specialized Roubaix SL4 Sora Disc numbers we have for size 54 are missing the reach and stack.
Geometry side by side
| Measurement | Specialized Secteur Expert Disc 52.0 | Specialized Roubaix SL4 Sora Disc 54 | Difference |
|---|---|---|---|
| Reach | 378mm | not listed | |
| Stack | 547mm | not listed | |
| Head tube angle | 72° | 72° | ±0.0° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 412mm | 415mm | +3 mm |
| Wheelbase | 989mm | 1000mm | +11 mm |
| Standover | 756mm | 776mm | +20 mm |
| Seat tube length | 447mm | 495mm | +48 mm |
| Head tube length | 114mm | 165mm | +51 mm |
Differences are the Specialized Roubaix SL4 Sora Disc minus the Specialized Secteur Expert Disc. Full charts: 2014 Specialized Secteur Expert Disc, 2014 Specialized Roubaix SL4 Sora Disc.
Where each sits in its class
Specialized Secteur Expert DiscSpecialized Roubaix SL4 Sora Disc
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 Expert DiscExpert Disc | Specialized Roubaix SL4 Sora DiscSL4 Sora Disc |
|---|---|---|
| Shifter | Shimano 105 | Shimano Sora |
| Derailleur | Shimano 105 | Shimano Sora |
| Cassette | Shimano Tiagra | Shimano HG50 |
| Chain | KMC X10 | KMC X9 |
| Crankset | FSA Gossamer | Shimano Sora |
| Wheelset | Specialized AXIS 4.0 | Specialized AXIS 2.0 |
| Tire | Specialized Espoir Sport | Specialized Espoir |
| Brake | Avid BB7 | Shimano 317, Shimano Sora |
| Stem | Specialized Elite-Set | Specialized Comp-Set |
| Seatpost | Specialized Pave | not listed |
| Saddle | Specialized Riva Plus | Specialized Riva |
| Frame | not listed | Specialized SL4 FACT |
| Fork | not listed | Specialized Roubaix FACT |
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