2010 Specialized Tarmac Expert SL Double 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
- +17 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Specialized Tarmac Expert SL Double numbers we have for size 52 are missing the reach and stack. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Tarmac Expert SL Double 52 | Specialized Allez Compact 54 | Difference |
|---|---|---|---|
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 73.5° | −0.5° |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 961mm | 978mm | +17 mm |
| Standover | 755mm | 798mm | +43 mm |
| Seat tube length | 490mm | 510mm | +20 mm |
| Head tube length | 120mm | 145mm | +25 mm |
| Reach | not listed | 385mm | |
| Stack | not listed | 548mm |
Differences are the Specialized Allez Compact minus the Specialized Tarmac Expert SL Double. Full charts: 2010 Specialized Tarmac Expert SL Double, 2012 Specialized Allez Compact.
Where each sits in its class
Specialized Tarmac Expert SL DoubleSpecialized 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 Expert SL DoubleExpert SL Double | Specialized Allez CompactCompact |
|---|---|---|
| Frame | Specialized Tarmac SL FACT | not listed |
| Shifter | Shimano Ultegra | Shimano 2300 |
| Derailleur | Shimano Ultegra | Shimano 2300 |
| Cassette | Shimano Ultegra | Shimano HG50 |
| Chain | Shimano Ultegra | KMC Z51 |
| Crankset | Shimano Ultegra | Shimano 2300 |
| Wheelset | Mavic Ksyrium Equipe | not listed |
| Tire | Specialized Mondo Pro II | Specialized Espoir Sport |
| Brake | Shimano Ultegra | not listed |
| Stem | Specialized Pro-Set | not listed |
| Saddle | Specialized Toupe | Specialized Riva |
| Rim | not listed | Alex Rims S480 |
| Handlebar | not listed | Specialized Tarmac |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
