Quiver

2010 Specialized Allez Double vs 2012 Specialized Tarmac Mid-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 Tarmac Mid-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
−1 mm
About the same
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

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

Geometry side by side

MeasurementSpecialized Allez Double 54Specialized Tarmac Mid-Compact 540.0Difference
Head tube angle72.5°73°+0.5°
Seat tube angle73.5°73.5°±0.0°
Chainstay length405mm405mm±0 mm
Wheelbase982mm981mm−1 mm
Standover777mm775mm−2 mm
Seat tube length500mm510mm+10 mm
Head tube length155mm145mm−10 mm
Reachnot listed387mm
Stacknot listed543mm

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

Where each sits in its class

Specialized Allez DoubleSpecialized Tarmac Mid-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 Allez DoubleDoubleSpecialized Tarmac Mid-CompactApex Mid-Compact
FrameSpecialized Allez A1not listed
ShifterShimano 2300SRAM Apex DoubleTap
DerailleurShimano 2300SRAM Apex
CassetteShimano HG50SRAM Apex
ChainKMC Z51KMC X10 CP
CranksetShimano 2300SRAM S150
TireSpecialized Mondo SportSpecialized Espoir Sport
RimAlex Rims S500not listed
BrakeShimano 2300SRAM Apex
SaddleSpecialized RivalSpecialized Romin
Bottom bracketnot listedSRAM Power
Wheelsetnot listedDT Swiss Axis 2.0
Handlebarnot listedSpecialized Tarmac
Stemnot listedSpecialized Elite-Set

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