2015 Specialized Tarmac Disc vs 2015 Specialized Allez Elite
The 52 is the Specialized Allez Elite size closest to your 52 Specialized Tarmac 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 Disc in 52, the Specialized Allez Elite in 52 places the top of the head tube 4 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 3 mm longer, which can contribute to stability at speed.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +3 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac Disc, 52Specialized Allez Elite, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Disc 52 | Specialized Allez Elite 52 | Difference |
|---|---|---|---|
| Reach | 386mm | 387mm | +1 mm |
| Stack | 526mm | 530mm | +4 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 537mm | 539mm | +2 mm |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 970mm | 973mm | +3 mm |
| BB drop | 71.5mm | 71.5mm | ±0 mm |
| Standover | 755mm | 747mm | −8 mm |
| Seat tube length | 462mm | 480mm | +18 mm |
| Head tube length | 120mm | 125mm | +5 mm |
Differences are the Specialized Allez Elite minus the Specialized Tarmac Disc. Full charts: 2015 Specialized Tarmac Disc, 2015 Specialized Allez Elite.
Where each sits in its class
Specialized Tarmac 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 DiscS-Works Di2 Disc | Specialized Allez EliteElite |
|---|---|---|
| Shifter | Shimano 785 Di2 | Shimano Tiagra |
| Derailleur | Shimano Dura Ace Di2 | Shimano Tiagra |
| Cassette | Shimano Dura-Ace | Shimano Tiagra |
| Chain | Shimano Dura-Ace | KMC X-10 |
| Wheelset | Roval Rapide CLX 40 SCS | Specialized AXIS Classic |
| Tire | Specialized S-Works Turbo | Specialized Espoir Sport |
| Brake | Shimano 785 | Specialized Axis 1.0 |
| Saddle | Specialized Toupé Pro | Specialized Toupé Sport |
| Crankset | not listed | Shimano Tiagra |
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