Quiver

2018 Specialized Tarmac Ultralight vs 2020 Specialized Allez Sprint

The Specialized Allez Sprint size closest to your 54 is the 54.0. Compare the 54.0 instead

What changes on the Specialized Allez Sprint

Compared with the Specialized Tarmac Ultralight in 54, the Specialized Allez Sprint in 56.0 places the top of the head tube 10 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 11 mm longer, which can contribute to stability at speed.

Frame stack
+10 mm
Higher front end
Frame reach
+11 mm
Longer frame reach
Wheelbase
+11 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2018 Specialized Tarmac Ultralight (54) and 2020 Specialized Allez Sprint (56.0), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac Ultralight is drawn in full with its measurements, and the Specialized Allez Sprint is the colored outline on top.J 973

Specialized Tarmac Ultralight, 54Specialized Allez Sprint, 56.0Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac Ultralight 54Specialized Allez Sprint 56.0Difference
Reach384mm395mm+11 mm
Stack544mm554mm+10 mm
Head tube angle73°73.5°+0.5°
Seat tube angle74°74°±0.0°
Effective top tube540mmnot listed
Chainstay length405mm405mm±0 mm
Wheelbase973mm984mm+11 mm
BB drop72mm69mm−3 mm
BB height268mm272.5mm+5 mm
Standover775mm784.3mm+9 mm
Seat tube length481mm520mm+39 mm
Fork length363mm368mm+5 mm
Head tube length143mm150mm+7 mm

Differences are the Specialized Allez Sprint minus the Specialized Tarmac Ultralight. Full charts: 2018 Specialized Tarmac Ultralight, 2020 Specialized Allez Sprint.

Where each sits in its class

Specialized Tarmac UltralightSpecialized Allez Sprint

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 UltralightS-Works UltralightSpecialized Allez SprintAllez Sprint Frameset
FrameSpecialized S-Works Tarmac SL6not listed
ShifterSpecialized C-clipsnot listed
Seatpostnot listedSpecialized Allez Sprint

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