2008 Specialized Roubaix SL DA 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
- −1 mm
- About the same
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −7 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Roubaix SL DA numbers we have for size 49 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Roubaix SL DA 49 | Specialized Allez Double Steel 54 | Difference |
|---|---|---|---|
| Head tube angle | 72° | 72.5° | +0.5° |
| Seat tube angle | 75.5° | 73.5° | −2.0° |
| Effective top tube | 518 | not listed | |
| Chainstay length | 412 | 405mm | −7 mm |
| Wheelbase | 983 | 982mm | −1 mm |
| BB drop | 73 | not listed | |
| Standover | 718 | 791mm | +73 mm |
| Seat tube length | 450 | 560mm | +110 mm |
| Head tube length | 125 | 122mm | −3 mm |
Differences are the Specialized Allez Double Steel minus the Specialized Roubaix SL DA. Full charts: 2008 Specialized Roubaix SL DA, 2010 Specialized Allez Double Steel.
Where each sits in its class
Specialized Roubaix SL DASpecialized 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 DAS-Works SL DA | Specialized Allez Double SteelDouble Steel |
|---|---|---|
| Shifter | Shimano Dura-Ace | Shimano R400 |
| Derailleur | Shimano Dura-Ace Front, Shimano Dura-Ace rear | Shimano 2300 |
| Cassette | Shimano Dura-Ace | Shimano HG50 |
| Chain | Shimano Dura Ace | KMC Z51 |
| Wheelset | Roval Roubaix 322x | not listed |
| Tire | Specialized Roubaix | Specialized Mondo Sport |
| Brake | Shimano Dura-Ace Front, Shimano Dura-Ace Rear | not listed |
| Stem | Specialized Pro-Set | Specialized Elite-Set |
| Headset | Specialized Mindset | not listed |
| Saddle | Specialized Body Geometry Toupé Gel | Specialized Rival |
| Frame | not listed | Specialized Allez |
| Crankset | not listed | Shimano 2300 |
| Rim | not listed | Alex Rims S500 |
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