2017 Specialized Tarmac vs 2015 Specialized Allez E5 Smartweld
The 54 is the Specialized Allez E5 Smartweld size closest to your 54 Specialized Tarmac. 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 E5 Smartweld
Compared with the Specialized Tarmac in 54, the Specialized Allez E5 Smartweld in 54 places the top of the head tube 4 mm higher and about as far forward, relative to the bottom bracket.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- ±0 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Tarmac, 54Specialized Allez E5 Smartweld, 54Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac 54 | Specialized Allez E5 Smartweld 54 | Difference |
|---|---|---|---|
| Reach | 387mm | 387mm | ±0 mm |
| Stack | 543mm | 547mm | +4 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 73.5° | 73.5° | ±0.0° |
| Effective top tube | 548mm | 548mm | ±0 mm |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 978mm | 978mm | ±0 mm |
| BB drop | 69mm | 69mm | ±0 mm |
| BB height | 272.5mm | not listed | |
| Standover | 775mm | 798mm | +23 mm |
| Seat tube length | 481mm | 500mm | +19 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 140mm | 145mm | +5 mm |
Differences are the Specialized Allez E5 Smartweld minus the Specialized Tarmac. Full charts: 2017 Specialized Tarmac, 2015 Specialized Allez E5 Smartweld.
Where each sits in its class
Specialized TarmacSpecialized 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.
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
