2010 Specialized Roubaix Pro SRAM vs 2011 Specialized Allez Steel Double
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 Steel Double
- 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
- −18 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Roubaix Pro SRAM numbers we have for size 54 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Roubaix Pro SRAM 54 | Specialized Allez Steel Double 54 | Difference |
|---|---|---|---|
| Head tube angle | 72° | 72.5° | +0.5° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 415mm | 405mm | −10 mm |
| Wheelbase | 1000mm | 982mm | −18 mm |
| Standover | 780mm | 791mm | +11 mm |
| Seat tube length | 495mm | 560mm | +65 mm |
| Head tube length | 165mm | 122mm | −43 mm |
Differences are the Specialized Allez Steel Double minus the Specialized Roubaix Pro SRAM. Full charts: 2010 Specialized Roubaix Pro SRAM, 2011 Specialized Allez Steel Double.
Where each sits in its class
Specialized Roubaix Pro SRAMSpecialized Allez Steel Double
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 Pro SRAMPro SRAM | Specialized Allez Steel DoubleSteel Double |
|---|---|---|
| Frame | Specialized Roubaix FACT | Reynolds 520 |
| Shifter | SRAM RED | Shimano R400 |
| Derailleur | SRAM Force, SRAM Red | Shimano 2300 |
| Cassette | Shimano Ultegra | Shimano HG50 |
| Chain | KMC X10 CP | KMC Z51 |
| Wheelset | Roval Fusee SL | not listed |
| Tire | Specialized Roubaix Pro II | Specialized All Condition Sport |
| Brake | SRAM Force, SRAM RED | not listed |
| Stem | Specialized Pro-Set | Specialized Elite-Set |
| Saddle | Specialized Toupe | Specialized Riva |
| Fork | not listed | Specialized Allez |
| Crankset | not listed | Shimano 2300 |
| Rim | not listed | Mavic CXP22 |
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