2014 Specialized Allez Race vs 2015 Specialized Tarmac Expert
The 54 is the Specialized Tarmac Expert size closest to your 540.0 Specialized Allez Race. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Tarmac Expert
Compared with the Specialized Allez Race in 540.0, the Specialized Tarmac Expert in 54 places the top of the head tube 4 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Allez Race, 540.0Specialized Tarmac Expert, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Race 540.0 | Specialized Tarmac Expert 54 | Difference |
|---|---|---|---|
| Reach | 387mm | 387mm | ±0 mm |
| Stack | 547mm | 543mm | −4 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 978mm | 978mm | ±0 mm |
| Standover | 798mm | 775mm | −23 mm |
| Seat tube length | 500mm | 481mm | −19 mm |
| Head tube length | 145mm | 140mm | −5 mm |
| Effective top tube | not listed | 548mm | |
| BB drop | not listed | 69mm |
Differences are the Specialized Tarmac Expert minus the Specialized Allez Race. Full charts: 2014 Specialized Allez Race, 2015 Specialized Tarmac Expert.
Where each sits in its class
Specialized Allez RaceSpecialized Tarmac Expert
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 RaceRace | Specialized Tarmac Expert |
|---|---|---|
| Fork | Specialized Tarmac Comp | not listed |
| Shifter | Shimano 105 | not listed |
| Derailleur | Shimano 105 | not listed |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X10 | not listed |
| Crankset | FSA Gossamer | not listed |
| Wheelset | Specialized AXIS 2.0 | not listed |
| Tire | Specialized Espoir Elite | not listed |
| Brake | Shimano R561, Shimano 105 | not listed |
| Stem | Specialized Elite-Set | not listed |
| Saddle | Specialized Toupe | not listed |
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