2015 Specialized Secteur Double 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
- −38 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Only the Specialized Secteur Double 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 Double 61 | Specialized Roubaix SL4 Sora Disc 54 | Difference |
|---|---|---|---|
| Reach | 398mm | not listed | |
| Stack | 643mm | not listed | |
| Head tube angle | 73° | 72° | −1.0° |
| Seat tube angle | 72.5° | 73.5° | +1.0° |
| Effective top tube | 600mm | not listed | |
| Chainstay length | 420mm | 415mm | −5 mm |
| Wheelbase | 1038mm | 1000mm | −38 mm |
| BB drop | 70mm | not listed | |
| Standover | 851mm | 776mm | −75 mm |
| Seat tube length | 535mm | 495mm | −40 mm |
| Head tube length | 245mm | 165mm | −80 mm |
Differences are the Specialized Roubaix SL4 Sora Disc minus the Specialized Secteur Double. Full charts: 2015 Specialized Secteur Double, 2014 Specialized Roubaix SL4 Sora Disc.
Where each sits in its class
Specialized Secteur DoubleSpecialized 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 DoubleDouble | Specialized Roubaix SL4 Sora DiscSL4 Sora Disc |
|---|---|---|
| Frame | Specialized A1 Premium Aluminum | Specialized SL4 FACT |
| Fork | Specialized FACT | Specialized Roubaix FACT |
| Shifter | Shimano Claris R2400 | Shimano Sora |
| Derailleur | Shimano Claris R2400 | Shimano Sora |
| Cassette | SunRace CS-8SP | Shimano HG50 |
| Chain | KMC Z51 | KMC X9 |
| Crankset | Shimano Claris | Shimano Sora |
| Chainring | Shimano 50/34 | not listed |
| Pedals | Specialized nylon flat | not listed |
| Wheelset | Specialized AXIS Classic | Specialized AXIS 2.0 |
| Tire | Specialized Espoir Sport | Specialized Espoir |
| Brake | Tektro caliper | Shimano 317, Shimano Sora |
| Stem | Specialized 3D-forged | Specialized Comp-Set |
| Bar tape | Specialized Roubaix | not listed |
| Saddle | Specialized Toupé Sport | Specialized Riva |
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