2008 Specialized Roubaix SL Frameset vs 2010 Specialized Allez Double Steel
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 Allez Double Steel
- 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
- −56 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −15 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Roubaix SL Frameset numbers we have for size 61 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Roubaix SL Frameset 61 | Specialized Allez Double Steel 54 | Difference |
|---|---|---|---|
| Head tube angle | 73° | 72.5° | −0.5° |
| Seat tube angle | 72.5° | 73.5° | +1.0° |
| Effective top tube | 600 | not listed | |
| Chainstay length | 420 | 405mm | −15 mm |
| Wheelbase | 1038 | 982mm | −56 mm |
| BB drop | 70 | not listed | |
| Standover | 825 | 791mm | −34 mm |
| Seat tube length | 570 | 560mm | −10 mm |
| Head tube length | 235 | 122mm | −113 mm |
Differences are the Specialized Allez Double Steel minus the Specialized Roubaix SL Frameset. Full charts: 2008 Specialized Roubaix SL Frameset, 2010 Specialized Allez Double Steel.
Where each sits in its class
Specialized Roubaix SL FramesetSpecialized Allez Double Steel
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 SL FramesetS-Works SL Frameset | Specialized Allez Double SteelDouble Steel |
|---|---|---|
| Headset | Specialized Mindset | not listed |
| Frame | not listed | Specialized Allez |
| Shifter | not listed | Shimano R400 |
| Derailleur | not listed | Shimano 2300 |
| Cassette | not listed | Shimano HG50 |
| Chain | not listed | KMC Z51 |
| Crankset | not listed | Shimano 2300 |
| Tire | not listed | Specialized Mondo Sport |
| Rim | not listed | Alex Rims S500 |
| Stem | not listed | Specialized Elite-Set |
| Saddle | not listed | Specialized Rival |
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