2017 Specialized Tarmac Comp Disc vs 2015 Specialized Allez Elite
The 52 is the Specialized Allez Elite size closest to your 52 Specialized Tarmac Comp 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 Comp 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 Comp Disc, 52Specialized Allez Elite, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Comp 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 |
| BB height | 270mm | not listed | |
| Standover | 755mm | 747mm | −8 mm |
| Seat tube length | 462mm | 480mm | +18 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 120mm | 125mm | +5 mm |
Differences are the Specialized Allez Elite minus the Specialized Tarmac Comp Disc. Full charts: 2017 Specialized Tarmac Comp Disc, 2015 Specialized Allez Elite.
Where each sits in its class
Specialized Tarmac Comp 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 Comp DiscComp Disc | Specialized Allez EliteElite |
|---|---|---|
| Shifter | Shimano ST-RS685 | Shimano Tiagra |
| Derailleur | Shimano Ultegra R6800 | Shimano Tiagra |
| Cassette | Shimano 105 R5800 | Shimano Tiagra |
| Chain | KMC X-11 | KMC X-10 |
| Crankset | Shimano Ultegra | Shimano Tiagra |
| Wheelset | Specialized AXIS Elite | Specialized AXIS Classic |
| Tire | Specialized S-Works Turbo | Specialized Espoir Sport |
| Brake | Shimano BR-785 | Specialized Axis 1.0 |
| Saddle | Specialized Toupe Comp | Specialized Toupé Sport |
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