2015 Specialized Tarmac vs 2015 Specialized Allez E5 Smartweld
The 52 is the Specialized Allez E5 Smartweld size closest to your 52 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 52, the Specialized Allez E5 Smartweld in 52 places the top of the head tube 3 mm lower and about as far forward, relative to the bottom bracket.
- Frame stack
- −3 mm
- Lower front end
- Frame reach
- −1 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, 52Specialized Allez E5 Smartweld, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Tarmac 52 | Specialized Allez E5 Smartweld 52 | Difference |
|---|---|---|---|
| Reach | 386mm | 385mm | −1 mm |
| Stack | 526mm | 523mm | −3 mm |
| Head tube angle | 73° | 73° | ±0.0° |
| Seat tube angle | 74° | 74° | ±0.0° |
| Effective top tube | 537mm | 537mm | ±0 mm |
| Chainstay length | 405mm | 405mm | ±0 mm |
| Wheelbase | 970mm | 970mm | ±0 mm |
| BB drop | 71.5mm | 71.5mm | ±0 mm |
| Standover | 755mm | 777mm | +22 mm |
| Seat tube length | 462mm | 480mm | +18 mm |
| Head tube length | 120mm | 120mm | ±0 mm |
Differences are the Specialized Allez E5 Smartweld minus the Specialized Tarmac. Full charts: 2015 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.
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