Quiver

2014 Specialized Allez Sport vs 2015 Specialized Tarmac Expert

The Specialized Tarmac Expert size closest to your 540.0 is the 54. Compare the 54 instead

What changes on the Specialized Tarmac Expert

Compared with the Specialized Allez Sport in 540.0, the Specialized Tarmac Expert in 61 places the top of the head tube 65 mm higher and 21 mm further forward, relative to the bottom bracket. Its wheelbase is 35 mm longer, which can contribute to stability at speed.

Frame stack
+65 mm
Higher front end
Frame reach
+21 mm
Longer frame reach
Wheelbase
+35 mm
Longer: steadier at speed
Head angle
+1.0°
Steeper: sharper steering
Chainstays
+5 mm
Longer: more planted

The two frames

2014 Specialized Allez Sport (540.0) and 2015 Specialized Tarmac Expert (61), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Allez Sport is drawn in full with its measurements, and the Specialized Tarmac Expert is the colored outline on top.J 978

Specialized Allez Sport, 540.0Specialized Tarmac Expert, 61Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Allez Sport 540.0Specialized Tarmac Expert 61Difference
Reach387mm408mm+21 mm
Stack547mm612mm+65 mm
Head tube angle73°74°+1.0°
Seat tube angle73.5°72.5°−1.0°
Chainstay length405mm410mm+5 mm
Wheelbase978mm1013mm+35 mm
Standover798mm850mm+52 mm
Seat tube length500mm553mm+53 mm
Head tube length145mm210mm+65 mm
Effective top tubenot listed600mm
BB dropnot listed67.5mm

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

Where each sits in its class

Specialized Allez SportSpecialized 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 SportSportSpecialized Tarmac ExpertExpert
ShifterShimano SoraShimano Ultegra
DerailleurShimano SoraShimano Ultegra
CassetteShimano HG50Shimano Ultegra
ChainKMC X9Shimano Ultegra
CranksetFSA Temponot listed
WheelsetSpecialized AXIS ClassicFulcrum S4
TireSpecialized Espoir SportSpecialized Turbo Pro
BrakeShimano SoraShimano Ultegra
SaddleSpecialized RivaSpecialized Toupe Expert

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