Quiver

2014 Specialized Allez Race 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 Race in 540.0, the Specialized Tarmac Expert in 64 places the top of the head tube 89 mm higher and 28 mm further forward, relative to the bottom bracket. Its wheelbase is 38 mm longer, which can contribute to stability at speed.

Frame stack
+89 mm
Higher front end
Frame reach
+28 mm
Longer frame reach
Wheelbase
+38 mm
Longer: steadier at speed
Head angle
+1.5°
Steeper: sharper steering
Chainstays
+5 mm
Longer: more planted

The two frames

2014 Specialized Allez Race (540.0) and 2015 Specialized Tarmac Expert (64), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Allez Race is drawn in full with its measurements, and the Specialized Tarmac Expert is the colored outline on top.J 978

Specialized Allez Race, 540.0Specialized Tarmac Expert, 64Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Allez Race 540.0Specialized Tarmac Expert 64Difference
Reach387mm415mm+28 mm
Stack547mm636mm+89 mm
Head tube angle73°74.5°+1.5°
Seat tube angle73.5°72.5°−1.0°
Chainstay length405mm410mm+5 mm
Wheelbase978mm1016mm+38 mm
Standover798mm850mm+52 mm
Seat tube length500mm584mm+84 mm
Head tube length145mm235mm+90 mm
Effective top tubenot listed621mm
BB dropnot listed67.5mm

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

Where each sits in its class

Specialized Allez RaceSpecialized 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 RaceRaceSpecialized Tarmac ExpertExpert
ForkSpecialized Tarmac Compnot listed
ShifterShimano 105Shimano Ultegra
DerailleurShimano 105Shimano Ultegra
CassetteShimano TiagraShimano Ultegra
ChainKMC X10Shimano Ultegra
CranksetFSA Gossamernot listed
WheelsetSpecialized AXIS 2.0Fulcrum S4
TireSpecialized Espoir EliteSpecialized Turbo Pro
BrakeShimano R561, Shimano 105Shimano Ultegra
StemSpecialized Elite-Setnot listed
SaddleSpecialized ToupeSpecialized Toupe Expert

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