2014 Specialized Allez Sport vs 2012 Specialized Tarmac SL3 Expert Mid-Compact
The Specialized Tarmac SL3 Expert Mid-Compact size closest to your 540.0 is the 540.0. Compare the 540.0 instead
What changes on the Specialized Tarmac SL3 Expert Mid-Compact
Compared with the Specialized Allez Sport in 540.0, the Specialized Tarmac SL3 Expert Mid-Compact in 520.0 places the top of the head tube 21 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −21 mm
- Lower front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- −8 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez Sport, 540.0Specialized Tarmac SL3 Expert Mid-Compact, 520.0Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Sport 540.0 | Specialized Tarmac SL3 Expert Mid-Compact 520.0 | Difference |
|---|---|---|---|
| Reach | 387mm | 386mm | −1 mm |
| Stack | 547mm | 526mm | −21 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 73.5° | 74° | +0.5° |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 978mm | 970mm | −8 mm |
| Standover | 798mm | 755mm | −43 mm |
| Seat tube length | 500mm | 490mm | −10 mm |
| Head tube length | 145mm | 120mm | −25 mm |
Differences are the Specialized Tarmac SL3 Expert Mid-Compact minus the Specialized Allez Sport. Full charts: 2014 Specialized Allez Sport, 2012 Specialized Tarmac SL3 Expert Mid-Compact.
Where each sits in its class
Specialized Allez SportSpecialized Tarmac SL3 Expert 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 SportSport | Specialized Tarmac SL3 Expert Mid-CompactExpert Mid-Compact |
|---|---|---|
| Shifter | Shimano Sora | Shimano Ultegra |
| Derailleur | Shimano Sora | Shimano Ultegra |
| Cassette | Shimano HG50 | Shimano 105 |
| Chain | KMC X9 | KMC |
| Crankset | FSA Tempo | FSA SL-K Light |
| Wheelset | Specialized AXIS Classic | Fulcrum Racing 4 |
| Tire | Specialized Espoir Sport | Specialized Roubaix Elite Armadillo |
| Brake | Shimano Sora | Shimano Ultegra |
| Saddle | Specialized Riva | Specialized Ruby Gel |
| Frame | not listed | Specialized FACT 10r |
| Chainring | not listed | FSA SL-K Light |
| Handlebar | not listed | Specialized Shallow Drop |
| Stem | not listed | Specialized CompSet |
| Headset | not listed | Specialized Integrated |
| Seatpost | not listed | Specialized Comp |
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



