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2017 Specialized Roubaix Expert vs 2019 Specialized Allez Sport

The Specialized Allez Sport size closest to your 54 is the 56. Compare the 56 instead

What changes on the Specialized Allez Sport

Compared with the Specialized Roubaix Expert in 54, the Specialized Allez Sport in 54 places the top of the head tube 15 mm lower and 5 mm further forward, relative to the bottom bracket.

Frame stack
−15 mm
Lower front end
Frame reach
+5 mm
Longer frame reach
Wheelbase
+1 mm
About the same
Head angle
+0.3°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Roubaix Expert (54) and 2019 Specialized Allez Sport (54), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix Expert is drawn in full with its measurements, and the Specialized Allez Sport is the colored outline on top.J 987

Specialized Roubaix Expert, 54Specialized Allez Sport, 54Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Roubaix Expert 54Specialized Allez Sport 54Difference
Reach375380mm+5 mm
Stack585570mm−15 mm
Head tube angle72.7573°+0.3°
Seat tube angle7473.25°−0.8°
Effective top tube545mm552mm+7 mm
Chainstay length415mm415mm±0 mm
Wheelbase987988mm+1 mm
BB drop76mm76mm±0 mm
Standover762775mm+13 mm
Seat tube length481510mm+29 mm
Head tube length125mm155mm+30 mm
BB heightnot listed264mm
Fork lengthnot listed375mm

Differences are the Specialized Allez Sport minus the Specialized Roubaix Expert. Full charts: 2017 Specialized Roubaix Expert, 2019 Specialized Allez Sport.

Where each sits in its class

Specialized Roubaix ExpertSpecialized Allez Sport

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 Roubaix ExpertExpertSpecialized Allez SportSport
FrameSpecialized FACT 10Rnot listed
ForkSpecialized Roubaixnot listed
ShifterShimano ST-RS685Shimano Sora
DerailleurShimano UltegraShimano Sora
CassetteShimano Ultegranot listed
ChainShimano UltegraKMC X9
CranksetShimano UltegraPraxis Alba M30
ChainringShimano Ultegranot listed
WheelsetDT Swiss R470Specialized Axis Sport
TireSpecialized Turbo ProSpecialized Espoir Sport
RimDT Swiss R460not listed
BrakeShimano RS805Specialized Axis 1.0
HandlebarSpecialized Hover Expertnot listed
StemSpecialized Pro SLnot listed
Bar tapeSpecialized S-Wrap Roubaixnot listed
SeatpostSpecialized CG-Rnot listed
SaddleSpecialized Phenom Expert GTSpecialized Toupé Sport

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