Quiver

2010 Specialized Tarmac Comp Double vs 2012 Specialized Allez Compact

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 Compact

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
+5 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Specialized Tarmac Comp Double numbers we have for size 54 are missing the reach and stack. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Tarmac Comp Double 54Specialized Allez Compact 54Difference
Head tube angle73°73°±0.0°
Seat tube angle73.5°73.5°±0.0°
Chainstay length405mm405mm±0 mm
Wheelbase973mm978mm+5 mm
Standover777mm798mm+21 mm
Seat tube length510mm510mm±0 mm
Head tube length145mm145mm±0 mm
Reachnot listed385mm
Stacknot listed548mm

Differences are the Specialized Allez Compact minus the Specialized Tarmac Comp Double. Full charts: 2010 Specialized Tarmac Comp Double, 2012 Specialized Allez Compact.

Where each sits in its class

Specialized Tarmac Comp DoubleSpecialized Allez Compact

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 Tarmac Comp DoubleComp DoubleSpecialized Allez CompactCompact
FrameSpecialized Tarmac FACTnot listed
ShifterShimano 105Shimano 2300
DerailleurShimano 105Shimano 2300
CassetteShimano 105Shimano HG50
ChainShimano 105KMC Z51
CranksetShimano 105Shimano 2300
WheelsetMavic Aksiumnot listed
TireSpecialized Mondo Pro IISpecialized Espoir Sport
BrakeShimano 105not listed
StemSpecialized Comp-Setnot listed
SaddleSpecialized ToupeSpecialized Riva
Rimnot listedAlex Rims S480
Handlebarnot listedSpecialized Tarmac

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet