Quiver

2015 Specialized Tarmac Comp vs 2015 Specialized Allez E5 Smartweld

The 52 is the Specialized Allez E5 Smartweld size closest to your 49 Specialized Tarmac Comp. 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 Comp in 49, the Specialized Allez E5 Smartweld in 52 places the top of the head tube 19 mm higher and about as far forward, relative to the bottom bracket.

Frame stack
+19 mm
Higher front end
Frame reach
−1 mm
About the same reach
Wheelbase
±0 mm
About the same
Head angle
+0.8°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2015 Specialized Tarmac Comp (49) and 2015 Specialized Allez E5 Smartweld (52), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Comp is drawn in full with its measurements, and the Specialized Allez E5 Smartweld is the colored outline on top.J 970

Specialized Tarmac Comp, 49Specialized Allez E5 Smartweld, 52Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Comp 49Specialized Allez E5 Smartweld 52Difference
Reach386mm385mm−1 mm
Stack504mm523mm+19 mm
Head tube angle72.25°73°+0.8°
Seat tube angle75.5°74°−1.5°
Effective top tube518mm537mm+19 mm
Chainstay length405mm405mm±0 mm
Wheelbase970mm970mm±0 mm
BB drop71.5mm71.5mm±0 mm
Standover730mm777mm+47 mm
Seat tube length460mm480mm+20 mm
Head tube length100mm120mm+20 mm

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

Where each sits in its class

Specialized Tarmac CompSpecialized Allez E5 Smartweld

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 Tarmac CompCompSpecialized Allez E5 Smartweld
ShifterShimano Ultegranot listed
DerailleurShimano Ultegranot listed
CassetteShimano Ultegranot listed
ChainShimano Ultegranot listed
CranksetPraxis TURN Zayantenot listed
WheelsetFulcrum S4not listed
TireSpecialized Turbo Pronot listed
BrakeShimano Ultegranot listed
SaddleSpecialized Toupe Compnot listed

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