Quiver

2014 Specialized Allez E5 Smartweld vs 2015 Specialized Tarmac Expert

The 52 is the Specialized Tarmac Expert size closest to your 490.0 Specialized Allez E5 Smartweld. 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 Tarmac Expert

Compared with the Specialized Allez E5 Smartweld in 490.0, the Specialized Tarmac Expert in 52 places the top of the head tube 3 mm higher and 6 mm further forward, relative to the bottom bracket.

Frame stack
+3 mm
Higher front end
Frame reach
+6 mm
Longer frame reach
Wheelbase
±0 mm
About the same
Head angle
+0.8°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2014 Specialized Allez E5 Smartweld (490.0) and 2015 Specialized Tarmac Expert (52), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Allez E5 Smartweld is drawn in full with its measurements, and the Specialized Tarmac Expert is the colored outline on top.J 970

Specialized Allez E5 Smartweld, 490.0Specialized Tarmac Expert, 52Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Allez E5 Smartweld 490.0Specialized Tarmac Expert 52Difference
Reach380mm386mm+6 mm
Stack523mm526mm+3 mm
Head tube angle72.25°73°+0.8°
Seat tube angle75.5°74°−1.5°
Chainstay length405mm405mm±0 mm
Wheelbase970mm970mm±0 mm
Standover741mm755mm+14 mm
Seat tube length460mm462mm+2 mm
Head tube length120mm120mm±0 mm
Effective top tubenot listed537mm
BB dropnot listed71.5mm

Differences are the Specialized Tarmac Expert minus the Specialized Allez E5 Smartweld. Full charts: 2014 Specialized Allez E5 Smartweld, 2015 Specialized Tarmac Expert.

Where each sits in its class

Specialized Allez E5 SmartweldSpecialized Tarmac Expert

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartSpecialized Allez E5 SmartweldSmartweldSpecialized Tarmac ExpertExpert
ForkSpecialized Tarmac Compnot listed
Shifternot listedShimano Ultegra
Derailleurnot listedShimano Ultegra
Cassettenot listedShimano Ultegra
Chainnot listedShimano Ultegra
Wheelsetnot listedFulcrum S4
Tirenot listedSpecialized Turbo Pro
Brakenot listedShimano Ultegra
Saddlenot listedSpecialized Toupe Expert

Know what is on every bike.

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