2015 Specialized Tarmac AC15 vs 2015 Specialized Allez Elite
The 56 is the Specialized Allez Elite size closest to your 56 Specialized Tarmac AC15. 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 Allez Elite
Compared with the Specialized Tarmac AC15 in 56, the Specialized Allez Elite in 56 places the top of the head tube 9 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +9 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- +2 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac AC15, 56Specialized Allez Elite, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac AC15 56 | Specialized Allez Elite 56 | Difference |
|---|---|---|---|
| Reach | 395mm | 395mm | ±0 mm |
| Stack | 564mm | 573mm | +9 mm |
| Head tube angle | 73.5° | 73.5° | ±0.0° |
| Seat tube angle | 73.25° | 73.25° | ±0.0° |
| Effective top tube | 565mm | 568mm | +3 mm |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 986mm | 988mm | +2 mm |
| BB drop | 69mm | 69mm | ±0 mm |
| Standover | 795mm | 791mm | −4 mm |
| Seat tube length | 501mm | 520mm | +19 mm |
| Head tube length | 160mm | 170mm | +10 mm |
Differences are the Specialized Allez Elite minus the Specialized Tarmac AC15. Full charts: 2015 Specialized Tarmac AC15, 2015 Specialized Allez Elite.
Where each sits in its class
Specialized Tarmac AC15Specialized Allez Elite
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 AC15 | Specialized Allez EliteElite |
|---|---|---|
| Shifter | not listed | Shimano Tiagra |
| Derailleur | not listed | Shimano Tiagra |
| Cassette | not listed | Shimano Tiagra |
| Chain | not listed | KMC X-10 |
| Crankset | not listed | Shimano Tiagra |
| Wheelset | not listed | Specialized AXIS Classic |
| Tire | not listed | Specialized Espoir Sport |
| Brake | not listed | Specialized Axis 1.0 |
| Saddle | not listed | Specialized Toupé Sport |
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