Quiver

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

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

Geometry side by side

MeasurementSpecialized Allez 540.0Specialized Tarmac Expert 61Difference
Reach387.037mm408mm+21 mm
Stack547.384mm612mm+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. Full charts: 2014 Specialized Allez, 2015 Specialized Tarmac Expert.

Where each sits in its class

Specialized AllezSpecialized 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 AllezAllezSpecialized Tarmac ExpertExpert
ShifterShimano Claris R2400Shimano Ultegra
DerailleurShimano Claris R2400Shimano Ultegra
CassetteShimano HG50Shimano Ultegra
ChainKMC Z51Shimano Ultegra
CranksetShimano Claris R2400not listed
WheelsetSpecialized AXIS ClassicFulcrum S4
TireSpecialized Espoir SportSpecialized Turbo Pro
BrakeShimano Claris R2400Shimano Ultegra
SaddleSpecialized RivaSpecialized Toupe Expert

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet