2017 Specialized Tarmac Pro Disc vs 2015 Specialized Allez Elite
The 56 is the Specialized Allez Elite size closest to your 56 Specialized Tarmac Pro Disc. 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 Pro Disc 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 Pro Disc, 56Specialized Allez Elite, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Pro Disc 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 |
| BB height | 272.5mm | not listed | |
| Standover | 795mm | 791mm | −4 mm |
| Seat tube length | 501mm | 520mm | +19 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 160mm | 170mm | +10 mm |
Differences are the Specialized Allez Elite minus the Specialized Tarmac Pro Disc. Full charts: 2017 Specialized Tarmac Pro Disc, 2015 Specialized Allez Elite.
Where each sits in its class
Specialized Tarmac Pro DiscSpecialized 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 Pro DiscPro Disc Ultegra Di2 | Specialized Allez EliteElite |
|---|---|---|
| Shifter | Shimano 105 R785 Di2 | Shimano Tiagra |
| Derailleur | Shimano Ultegra R6870 Di2, Shimano Ultegra Di2 | Shimano Tiagra |
| Cassette | Shimano Ultegra | Shimano Tiagra |
| Chain | Shimano HG70 | KMC X-10 |
| Bottom bracket | Specialized Enduro | not listed |
| Wheelset | Roval CL 40 | Specialized AXIS Classic |
| Tire | Specialized S-Works Turbo | Specialized Espoir Sport |
| Brake | Shimano BR-785 | Specialized Axis 1.0 |
| Saddle | Specialized Toupé Pro | Specialized Toupé Sport |
| Crankset | not listed | Shimano Tiagra |
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