2010 Specialized Tarmac Pro SL vs 2012 Specialized Allez 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 Allez 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
- Longer: steadier at speed
- Head angle
- +0.8°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Specialized Tarmac Pro SL numbers we have for size 49 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Tarmac Pro SL 49 | Specialized Allez Compact 54 | Difference |
|---|---|---|---|
| Head tube angle | 72.25° | 73° | +0.8° |
| Seat tube angle | 75.5° | 73.5° | −2.0° |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 941mm | 978mm | +37 mm |
| Standover | 730mm | 798mm | +68 mm |
| Seat tube length | 460mm | 510mm | +50 mm |
| Head tube length | 100mm | 145mm | +45 mm |
| Reach | not listed | 385mm | |
| Stack | not listed | 548mm |
Differences are the Specialized Allez Compact minus the Specialized Tarmac Pro SL. Full charts: 2010 Specialized Tarmac Pro SL, 2012 Specialized Allez Compact.
Where each sits in its class
Specialized Tarmac Pro SLSpecialized Allez 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 Tarmac Pro SLPro SL | Specialized Allez CompactCompact |
|---|---|---|
| Frame | Specialized Tarmac SL FACT | not listed |
| Shifter | not listed | Shimano 2300 |
| Derailleur | not listed | Shimano 2300 |
| Cassette | not listed | Shimano HG50 |
| Chain | not listed | KMC Z51 |
| Crankset | not listed | Shimano 2300 |
| Tire | not listed | Specialized Espoir Sport |
| Rim | not listed | Alex Rims S480 |
| Handlebar | not listed | Specialized Tarmac |
| Saddle | not listed | Specialized Riva |
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