Quiver

2015 Specialized Tarmac AC15 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 AC15 in 54, the Specialized Allez Elite in 61 places the top of the head tube 88 mm higher and 15 mm further forward, relative to the bottom bracket. Its wheelbase is 35 mm longer, which can contribute to stability at speed.

Frame stack
+88 mm
Higher front end
Frame reach
+15 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

2015 Specialized Tarmac AC15 (54) and 2015 Specialized Allez Elite (61), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac AC15 is drawn in full with its measurements, and the Specialized Allez Elite is the colored outline on top.J 978

Specialized Tarmac AC15, 54Specialized Allez Elite, 61Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac AC15 54Specialized Allez Elite 61Difference
Reach387mm402mm+15 mm
Stack543mm631mm+88 mm
Head tube angle73°74°+1.0°
Seat tube angle73.5°72.5°−1.0°
Effective top tube548mm601mm+53 mm
Chainstay length405mm410mm+5 mm
Wheelbase978mm1013mm+35 mm
BB drop69mm67.5mm−2 mm
Standover775mm844mm+69 mm
Seat tube length481mm570mm+89 mm
Head tube length140mm230mm+90 mm

Differences are the Specialized Allez Elite minus the Specialized Tarmac AC15. Full charts: 2015 Specialized Tarmac AC15, 2015 Specialized Allez Elite.

Where each sits in its class

Specialized Tarmac AC15Specialized 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 AC15Specialized Allez EliteElite
Shifternot listedShimano Tiagra
Derailleurnot listedShimano Tiagra
Cassettenot listedShimano Tiagra
Chainnot listedKMC X-10
Cranksetnot listedShimano Tiagra
Wheelsetnot listedSpecialized AXIS Classic
Tirenot listedSpecialized Espoir Sport
Brakenot listedSpecialized Axis 1.0
Saddlenot listedSpecialized Toupé Sport

Know what is on every bike.

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