2017 Specialized Tarmac Pro vs 2015 Specialized Allez E5 Smartweld
The Specialized Allez E5 Smartweld size closest to your 56 is the 56. Compare the 56 instead
What changes on the Specialized Allez E5 Smartweld
Compared with the Specialized Tarmac Pro in 56, the Specialized Allez E5 Smartweld in 54 places the top of the head tube 17 mm lower and 8 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −17 mm
- Lower front end
- Frame reach
- −8 mm
- Shorter frame reach
- Wheelbase
- −8 mm
- Shorter: quicker to change direction
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac Pro, 56Specialized Allez E5 Smartweld, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac Pro 56 | Specialized Allez E5 Smartweld 54 | Difference |
|---|---|---|---|
| Reach | 395mm | 387mm | −8 mm |
| Stack | 564mm | 547mm | −17 mm |
| Head tube angle | 73.5° | 73° | −0.5° |
| Seat tube angle | 73.25° | 73.5° | +0.3° |
| Effective top tube | 565mm | 548mm | −17 mm |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 986mm | 978mm | −8 mm |
| BB drop | 69mm | 69mm | ±0 mm |
| BB height | 272.5mm | not listed | |
| Standover | 795mm | 798mm | +3 mm |
| Seat tube length | 501mm | 500mm | −1 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 160mm | 145mm | −15 mm |
Differences are the Specialized Allez E5 Smartweld minus the Specialized Tarmac Pro. Full charts: 2017 Specialized Tarmac Pro, 2015 Specialized Allez E5 Smartweld.
Where each sits in its class
Specialized Tarmac ProSpecialized Allez E5 Smartweld
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 ProPro | Specialized Allez E5 Smartweld |
|---|---|---|
| Bottom bracket | Praxis 6806 | not listed |
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