Quiver

2020 Specialized Roubaix vs 2019 Specialized Allez Sport

The 61 is the Specialized Allez Sport size closest to your 61 Specialized Roubaix. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Allez Sport

Compared with the Specialized Roubaix in 61, the Specialized Allez Sport in 61 places the top of the head tube 16 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.

Frame stack
−16 mm
Lower front end
Frame reach
−2 mm
About the same reach
Wheelbase
−6 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
−3 mm
Shorter: livelier

The two frames

2020 Specialized Roubaix (61) and 2019 Specialized Allez Sport (61), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix is drawn in full with its measurements, and the Specialized Allez Sport is the colored outline on top.J 1024

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

Geometry side by side

MeasurementSpecialized Roubaix 61Specialized Allez Sport 61Difference
Reach398396mm−2 mm
Stack665649mm−16 mm
Head tube angle7474°±0.0°
Seat tube angle73.573.25°−0.3°
Chainstay length418415mm−3 mm
Wheelbase10241018mm−6 mm
BB drop74.574.5mm±0 mm
BB height268mm265.5mm−3 mm
Standover844850mm+6 mm
Seat tube length547580mm+33 mm
Fork length370375mm+5 mm
Head tube length205235mm+30 mm
Effective top tubenot listed591mm

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

Where each sits in its class

Specialized RoubaixSpecialized 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 RoubaixRoubaixSpecialized Allez SportSport
FrameSpecialized FACT 10Rnot listed
ForkSpecialized Future Shock 1.5not listed
ShifterShimano TiagraShimano Sora
DerailleurShimano TiagraShimano Sora
CassetteShimano Tiagranot listed
ChainKMC X10KMC X9
CranksetPraxis AlbaPraxis Alba M30
ChainringPraxis Albanot listed
WheelsetSpecialized Axis SportSpecialized Axis Sport
TireSpecialized Espoir SportSpecialized Espoir Sport
BrakeShimano TiagraSpecialized Axis 1.0
HandlebarSpecialized Hovernot listed
StemSpecialized 3D-forgednot listed
SeatpostSpecialized S-Works Pavenot listed
SaddleSpecialized Power SportSpecialized Toupé Sport

Know what is on every bike.

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