Quiver

2017 Specialized Tarmac Expert Disc vs 2015 Specialized Allez Elite

The 49 is the Specialized Allez Elite size closest to your 49 Specialized Tarmac Expert Disc. 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 Elite

Compared with the Specialized Tarmac Expert Disc in 49, the Specialized Allez Elite in 49 places the top of the head tube 24 mm higher and 6 mm further back, relative to the bottom bracket.

Frame stack
+24 mm
Higher front end
Frame reach
−6 mm
Shorter frame reach
Wheelbase
+2 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Tarmac Expert Disc (49) and 2015 Specialized Allez Elite (49), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Expert Disc is drawn in full with its measurements, and the Specialized Allez Elite is the colored outline on top.J 970

Specialized Tarmac Expert Disc, 49Specialized Allez Elite, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Expert Disc 49Specialized Allez Elite 49Difference
Reach386mm380mm−6 mm
Stack504mm528mm+24 mm
Head tube angle72.25°72.25°±0.0°
Seat tube angle75.5°75.5°±0.0°
Effective top tube518mm517mm−1 mm
Chainstay length405mm405mm±0 mm
Wheelbase970mm972mm+2 mm
BB drop71.5mm71.5mm±0 mm
BB height270mmnot listed
Standover730mm742mm+12 mm
Seat tube length431mm460mm+29 mm
Fork length368mmnot listed
Head tube length100mm125mm+25 mm

Differences are the Specialized Allez Elite minus the Specialized Tarmac Expert Disc. Full charts: 2017 Specialized Tarmac Expert Disc, 2015 Specialized Allez Elite.

Where each sits in its class

Specialized Tarmac Expert DiscSpecialized Allez Elite

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 Expert DiscExpert DiscSpecialized Allez EliteElite
ShifterShimano ST-RS685Shimano Tiagra
DerailleurShimano Ultegra R6800Shimano Tiagra
CassetteShimano UltegraShimano Tiagra
ChainShimano HG70KMC X-10
CranksetFSA SL-KShimano Tiagra
WheelsetDT Swiss R470Specialized AXIS Classic
TireSpecialized S-Works TurboSpecialized Espoir Sport
BrakeShimano BR-785Specialized Axis 1.0
SaddleSpecialized Toupe ExpertSpecialized Toupé Sport

Know what is on every bike.

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

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