Quiver

2016 Specialized Tarmac Pro Race vs 2015 Specialized Allez E5 Smartweld

The 58 is the Specialized Allez E5 Smartweld size closest to your 61.0 Specialized Tarmac Pro Race. 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 Pro Race in 61.0, the Specialized Allez E5 Smartweld in 58 places the top of the head tube 6 mm lower and 6 mm further back, relative to the bottom bracket. Its wheelbase is 11 mm shorter, which can contribute to quicker direction changes.

Frame stack
−6 mm
Lower front end
Frame reach
−6 mm
Shorter frame reach
Wheelbase
−11 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
−3 mm
Shorter: livelier

The two frames

2016 Specialized Tarmac Pro Race (61.0) and 2015 Specialized Allez E5 Smartweld (58), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Pro Race is drawn in full with its measurements, and the Specialized Allez E5 Smartweld is the colored outline on top.J 1014

Specialized Tarmac Pro Race, 61.0Specialized Allez E5 Smartweld, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Pro Race 61.0Specialized Allez E5 Smartweld 58Difference
Reach408402mm−6 mm
Stack612606mm−6 mm
Head tube angle7473.5°−0.5°
Seat tube angle72.573°+0.5°
Effective top tube601582mm−19 mm
Chainstay length410407mm−3 mm
Wheelbase10141003mm−11 mm
BB drop6867.5mm−1 mm
BB height274not listed
Standover850836mm−14 mm
Seat tube length580540mm−40 mm
Fork length368not listed
Head tube length210205mm−5 mm

Differences are the Specialized Allez E5 Smartweld minus the Specialized Tarmac Pro Race. Full charts: 2016 Specialized Tarmac Pro Race, 2015 Specialized Allez E5 Smartweld.

Where each sits in its class

Specialized Tarmac Pro RaceSpecialized 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 Pro RacePro RaceSpecialized Allez E5 Smartweld
ForkS Works FACT carbonnot listed
ShifterShimano Dura-Acenot listed
DerailleurShimano Dura-Acenot listed
CassetteShimano Dura-Acenot listed
ChainShimano Dura-Acenot listed
CranksetSpecialized Pronot listed
WheelsetRoval CL 40not listed
TireSpecialized S-Works Turbonot listed
BrakeShimano Dura-Acenot listed
HandlebarSpecialized Expertnot listed
StemSpecialized Pro SLnot listed
Bar tapeSpecialized Roubaixnot listed
SeatpostS Works FACT carbonnot listed
SaddleSpecialized Toupe Expertnot listed

Know what is on every bike.

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