2011 Specialized Allez Steel Double vs 2012 Specialized Tarmac Mid-Compact
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 Tarmac Mid-Compact
- 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
- −37 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Allez Steel Double numbers we have for size 61 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Allez Steel Double 61 | Specialized Tarmac Mid-Compact 540.0 | Difference |
|---|---|---|---|
| Head tube angle | 73.5° | 73° | −0.5° |
| Seat tube angle | 72.5° | 73.5° | +1.0° |
| Chainstay length | 410mm | 405mm | −5 mm |
| Wheelbase | 1018mm | 981mm | −37 mm |
| Standover | 866mm | 775mm | −91 mm |
| Seat tube length | 630mm | 510mm | −120 mm |
| Head tube length | 197mm | 145mm | −52 mm |
| Reach | not listed | 387mm | |
| Stack | not listed | 543mm |
Differences are the Specialized Tarmac Mid-Compact minus the Specialized Allez Steel Double. Full charts: 2011 Specialized Allez Steel Double, 2012 Specialized Tarmac Mid-Compact.
Where each sits in its class
Specialized Allez Steel DoubleSpecialized Tarmac Mid-Compact
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 Allez Steel DoubleSteel Double | Specialized Tarmac Mid-CompactApex Mid-Compact |
|---|---|---|
| Frame | Reynolds 520 | not listed |
| Fork | Specialized Allez | not listed |
| Shifter | Shimano R400 | SRAM Apex DoubleTap |
| Derailleur | Shimano 2300 | SRAM Apex |
| Cassette | Shimano HG50 | SRAM Apex |
| Chain | KMC Z51 | KMC X10 CP |
| Crankset | Shimano 2300 | SRAM S150 |
| Tire | Specialized All Condition Sport | Specialized Espoir Sport |
| Rim | Mavic CXP22 | not listed |
| Stem | Specialized Elite-Set | Specialized Elite-Set |
| Saddle | Specialized Riva | Specialized Romin |
| Bottom bracket | not listed | SRAM Power |
| Wheelset | not listed | DT Swiss Axis 2.0 |
| Brake | not listed | SRAM Apex |
| Handlebar | not listed | Specialized Tarmac |
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