Quiver

2010 Specialized Roubaix Pro vs 2011 Specialized Allez Steel Double

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Allez Steel Double

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−7 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
−7 mm
Shorter: livelier

The two frames

We can't draw these frames yet. The Specialized Roubaix Pro numbers we have for size 52 are missing the reach and stack. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Roubaix Pro 52Specialized Allez Steel Double 54Difference
Head tube angle72°72.5°+0.5°
Seat tube angle74°73.5°−0.5°
Chainstay length412mm405mm−7 mm
Wheelbase989mm982mm−7 mm
Standover759mm791mm+32 mm
Seat tube length475mm560mm+85 mm
Head tube length145mm122mm−23 mm

Differences are the Specialized Allez Steel Double minus the Specialized Roubaix Pro. Full charts: 2010 Specialized Roubaix Pro, 2011 Specialized Allez Steel Double.

Where each sits in its class

Specialized Roubaix ProSpecialized Allez Steel Double

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 ProProSpecialized Allez Steel DoubleSteel Double
FrameSpecialized Roubaix FACTReynolds 520
Forknot listedSpecialized Allez
Shifternot listedShimano R400
Derailleurnot listedShimano 2300
Cassettenot listedShimano HG50
Chainnot listedKMC Z51
Cranksetnot listedShimano 2300
Tirenot listedSpecialized All Condition Sport
Rimnot listedMavic CXP22
Stemnot listedSpecialized Elite-Set
Saddlenot listedSpecialized Riva

Know what is on every bike.

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