2015 Trek Speed Concept 9.5 WSD 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
- +15 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +15 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Speed Concept 9.5 WSD numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Speed Concept 9.5 WSD M | Specialized Roubaix SL4 Sora Disc 54 | Difference |
|---|---|---|---|
| Reach | 408 | not listed | |
| Stack | 517 | not listed | |
| Head tube angle | 72.5° | 72° | −0.5° |
| Effective top tube | 518 | not listed | |
| Chainstay length | 400 | 415mm | +15 mm |
| Wheelbase | 985 | 1000mm | +15 mm |
| BB drop | 80 | not listed | |
| Standover | 775 | 776mm | +1 mm |
| Seat tube length | 529 | 495mm | −34 mm |
| Head tube length | 90 | 165mm | +75 mm |
| Seat tube angle | not listed | 73.5° |
Differences are the Specialized Roubaix SL4 Sora Disc minus the Trek Speed Concept 9.5 WSD. Full charts: 2015 Trek Speed Concept 9.5 WSD, 2014 Specialized Roubaix SL4 Sora Disc.
Where each sits in its class
Trek Speed Concept 9.5 WSDSpecialized 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 | Trek Speed Concept 9.5 WSD9.5 WSD | Specialized Roubaix SL4 Sora DiscSL4 Sora Disc |
|---|---|---|
| Frame | Trek OCLV | Specialized SL4 FACT |
| Fork | Trek SC | Specialized Roubaix FACT |
| Shifter | Shimano Dura-Ace | Shimano Sora |
| Derailleur | Shimano Ultegra | Shimano Sora |
| Cassette | Shimano Ultegra | Shimano HG50 |
| Chain | Shimano Ultegra | KMC X9 |
| Crankset | Shimano Ultegra | Shimano Sora |
| Tire | Bontrager R3 Hard-Case Lite | Specialized Espoir |
| Brake | Bontrager Limit | Shimano 317, Shimano Sora |
| Handlebar | Bontrager Concept | not listed |
| Stem | Bontrager Concept | Specialized Comp-Set |
| Seatpost | Bontrager Concept | not listed |
| Saddle | Bontrager RXL Hilo | Specialized Riva |
| Wheelset | not listed | Specialized AXIS 2.0 |
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