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2020 Specialized Roubaix Sagan Collection 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 Sagan Collection in 54, the Specialized Allez Sport in 54 places the top of the head tube 15 mm lower and 4 mm further forward, relative to the bottom bracket.

Frame stack
−15 mm
Lower front end
Frame reach
+4 mm
Longer frame reach
Wheelbase
±0 mm
About the same
Head angle
+0.3°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2020 Specialized Roubaix Sagan Collection (54) and 2019 Specialized Allez Sport (54), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix Sagan Collection is drawn in full with its measurements, and the Specialized Allez Sport is the colored outline on top.J 988

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

Geometry side by side

MeasurementSpecialized Roubaix Sagan Collection 54Specialized Allez Sport 54Difference
Reach376mm380mm+4 mm
Stack585mm570mm−15 mm
Head tube angle72.75°73°+0.3°
Seat tube angle74°73.25°−0.8°
Chainstay length415mm415mm±0 mm
Wheelbase988mm988mm±0 mm
BB drop76mm76mm±0 mm
BB height266mm264mm−2 mm
Standover762mm775mm+13 mm
Seat tube length465mm510mm+45 mm
Fork length370mm375mm+5 mm
Head tube length125mm155mm+30 mm
Effective top tubenot listed552mm

Differences are the Specialized Allez Sport minus the Specialized Roubaix Sagan Collection. Full charts: 2020 Specialized Roubaix Sagan Collection, 2019 Specialized Allez Sport.

Where each sits in its class

Specialized Roubaix Sagan CollectionSpecialized 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 Sagan CollectionS-Works Sagan CollectionSpecialized Allez SportSport
ForkSpecialized Future Shock 2.0not listed
ShifterShimano Dura-Ace R9150 Di2 shiftShimano Sora
DerailleurShimano Dura-Ace R9150 Di2Shimano Sora
CassetteShimano Dura-Ace R9100not listed
ChainShimano Dura-AceKMC X9
CranksetShimano Dura-Ace R9100Praxis Alba M30
WheelsetRoval CLX 50Specialized Axis Sport
TireSpecialized Turbo Cotton HellSpecialized Espoir Sport
BrakeShimano Dura-AceSpecialized Axis 1.0
StemSpecialized S-Works Futurenot listed
SeatpostSpecialized S-Works Pavenot listed
SaddleSpecialized S-Works Romin EvoSpecialized Toupé Sport

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