2014 Specialized Allez Race vs 2015 Specialized Tarmac Expert
The Specialized Tarmac Expert size closest to your 540.0 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac Expert
Compared with the Specialized Allez Race in 540.0, the Specialized Tarmac Expert in 58 places the top of the head tube 44 mm higher and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 25 mm longer, which can contribute to stability at speed.
- Frame stack
- +44 mm
- Higher front end
- Frame reach
- +15 mm
- Longer frame reach
- Wheelbase
- +25 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Specialized Allez Race, 540.0Specialized Tarmac Expert, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Race 540.0 | Specialized Tarmac Expert 58 | Difference |
|---|---|---|---|
| Reach | 387mm | 402mm | +15 mm |
| Stack | 547mm | 591mm | +44 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 73.5° | 73° | −0.5° |
| Chainstay length | 405mm | 407mm | +2 mm |
| Wheelbase | 978mm | 1003mm | +25 mm |
| Standover | 798mm | 826mm | +28 mm |
| Seat tube length | 500mm | 522mm | +22 mm |
| Head tube length | 145mm | 190mm | +45 mm |
| Effective top tube | not listed | 582mm | |
| BB drop | not listed | 67.5mm |
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 ExpertExpert |
|---|---|---|
| Fork | Specialized Tarmac Comp | not listed |
| Shifter | Shimano 105 | Shimano Ultegra |
| Derailleur | Shimano 105 | Shimano Ultegra |
| Cassette | Shimano Tiagra | Shimano Ultegra |
| Chain | KMC X10 | Shimano Ultegra |
| Crankset | FSA Gossamer | not listed |
| Wheelset | Specialized AXIS 2.0 | Fulcrum S4 |
| Tire | Specialized Espoir Elite | Specialized Turbo Pro |
| Brake | Shimano R561, Shimano 105 | Shimano Ultegra |
| Stem | Specialized Elite-Set | not listed |
| Saddle | Specialized Toupe | Specialized Toupe Expert |
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