2015 Specialized Allez Sport vs 2017 Specialized Tarmac Comp
The Specialized Tarmac Comp size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Tarmac Comp
Compared with the Specialized Allez Sport in 54, the Specialized Tarmac Comp in 56 places the top of the head tube 16 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +16 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Allez Sport, 54Specialized Tarmac Comp, 56Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Sport 54 | Specialized Tarmac Comp 56 | Difference |
|---|---|---|---|
| Reach | 387mm | 395mm | +8 mm |
| Stack | 548mm | 564mm | +16 mm |
| Head tube angle | 73° | 73.5° | +0.5° |
| Seat tube angle | 73.5° | 73.25° | −0.3° |
| Effective top tube | 548mm | 565mm | +17 mm |
| Chainstay length | 407mm | 405mm | −2 mm |
| Wheelbase | 980mm | 986mm | +6 mm |
| BB drop | 69mm | 69mm | ±0 mm |
| Standover | 783mm | 795mm | +12 mm |
| Seat tube length | 510mm | 501mm | −9 mm |
| Head tube length | 145mm | 160mm | +15 mm |
| BB height | not listed | 272.5mm | |
| Fork length | not listed | 368mm |
Differences are the Specialized Tarmac Comp minus the Specialized Allez Sport. Full charts: 2015 Specialized Allez Sport, 2017 Specialized Tarmac Comp.
Where each sits in its class
Specialized Allez SportSpecialized Tarmac Comp
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 SportSport | Specialized Tarmac CompComp |
|---|---|---|
| Shifter | Shimano Sora | Shimano Ultegra R6800 |
| Derailleur | Shimano Sora | Shimano Ultegra R6800 |
| Chain | KMC X9 | KMC X-11 |
| Crankset | Shimano Sora | Shimano Ultegra |
| Wheelset | Specialized AXIS Classic | DT Swiss R460 |
| Tire | Specialized Espoir Sport | Specialized S-Works Turbo |
| Brake | Specialized Axis 1.0 | Shimano Ultegra |
| Saddle | Specialized Toupé Sport | Specialized Toupe Comp |
| Cassette | not listed | Shimano 105 R5800 |
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