Quiver

2017 Specialized Tarmac Disc eTap vs 2015 Specialized Allez Elite

The Specialized Allez Elite size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Allez Elite

Compared with the Specialized Tarmac Disc eTap in 54, the Specialized Allez Elite in 56 places the top of the head tube 30 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 10 mm longer, which can contribute to stability at speed.

Frame stack
+30 mm
Higher front end
Frame reach
+8 mm
Longer frame reach
Wheelbase
+10 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Tarmac Disc eTap (54) and 2015 Specialized Allez Elite (56), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Disc eTap is drawn in full with its measurements, and the Specialized Allez Elite is the colored outline on top.J 978

Specialized Tarmac Disc eTap, 54Specialized Allez Elite, 56Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Disc eTap 54Specialized Allez Elite 56Difference
Reach387mm395mm+8 mm
Stack543mm573mm+30 mm
Head tube angle73°73.5°+0.5°
Seat tube angle73.5°73.25°−0.3°
Effective top tube548mm568mm+20 mm
Chainstay length405mm405mm±0 mm
Wheelbase978mm988mm+10 mm
BB drop69mm69mm±0 mm
BB height272.5mmnot listed
Standover775mm791mm+16 mm
Seat tube length481mm520mm+39 mm
Fork length368mmnot listed
Head tube length140mm170mm+30 mm

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

Where each sits in its class

Specialized Tarmac Disc eTapSpecialized 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 Disc eTapS-Works Disc eTapSpecialized Allez EliteElite
ShifterSRAM eTap HydroShimano Tiagra
DerailleurSRAM eTapShimano Tiagra
CassetteSRAM Red 22Shimano Tiagra
ChainSRAM Red 22KMC X-10
CranksetSRAM Red 22Shimano Tiagra
WheelsetRoval CLX 32Specialized AXIS Classic
TireSpecialized Turbo CottonSpecialized Espoir Sport
BrakeSRAM REDSpecialized Axis 1.0
SaddleSpecialized S-Works ToupeSpecialized Toupé Sport

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