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2020 Specialized Roubaix Sport 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 Sport in 54, the Specialized Allez Sport in 61 places the top of the head tube 64 mm higher and 20 mm further forward, relative to the bottom bracket. Its wheelbase is 30 mm longer, which can contribute to stability at speed.

Frame stack
+64 mm
Higher front end
Frame reach
+20 mm
Longer frame reach
Wheelbase
+30 mm
Longer: steadier at speed
Head angle
+1.3°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2020 Specialized Roubaix Sport (54) and 2019 Specialized Allez Sport (61), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix Sport is drawn in full with its measurements, and the Specialized Allez Sport is the colored outline on top.J 988

Specialized Roubaix Sport, 54Specialized Allez Sport, 61Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Roubaix Sport 54Specialized Allez Sport 61Difference
Reach376mm396mm+20 mm
Stack585mm649mm+64 mm
Head tube angle72.75°74°+1.3°
Seat tube angle74°73.25°−0.8°
Chainstay length415mm415mm±0 mm
Wheelbase988mm1018mm+30 mm
BB drop76mm74.5mm−2 mm
BB height266mm265.5mm−1 mm
Standover762mm850mm+88 mm
Seat tube length465mm580mm+115 mm
Fork length370mm375mm+5 mm
Head tube length125mm235mm+110 mm
Effective top tubenot listed591mm

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

Where each sits in its class

Specialized Roubaix SportSpecialized 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 SportSportSpecialized Allez SportSport
ForkSpecialized Future Shock 1.5not listed
ShifterShimano 105 R7020Shimano Sora
DerailleurShimano 105, Shimano 105 R7000 GSShimano Sora
CassetteShimano 105not listed
ChainKMC X11 ExtraKMC X9
CranksetPraxis AlbaPraxis Alba M30
WheelsetDT Swiss R470Specialized Axis Sport
TireSpecialized Turbo ProSpecialized Espoir Sport
BrakeShimano 105Specialized Axis 1.0
HandlebarSpecialized Hovernot listed
SeatpostSpecialized S-Works Pavenot listed
SaddleSpecialized Power SportSpecialized Toupé Sport

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