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2012 Specialized Roubaix SL3 Pro SRAM Compact vs 2011 Specialized Tarmac SL3

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 SL3

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
−76 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
−15 mm
Shorter: livelier

The two frames

2012 Specialized Roubaix SL3 Pro SRAM Compact (640.0)The Specialized Roubaix SL3 Pro SRAM Compact frame drawn to scale.J 1054

Only the Specialized Roubaix SL3 Pro SRAM Compact is drawn. The Specialized Tarmac SL3 numbers we have for size 54 are missing the reach and stack.

Geometry side by side

MeasurementSpecialized Roubaix SL3 Pro SRAM Compact 640.0Specialized Tarmac SL3 54Difference
Reach409mmnot listed
Stack656mmnot listed
Head tube angle73°73°±0.0°
Seat tube angle72.5°73.5°+1.0°
Chainstay length420mm405mm−15 mm
Wheelbase1054mm978mm−76 mm
Standover852mm777mm−75 mm
Seat tube length600mm510mm−90 mm
Head tube length260mm145mm−115 mm

Differences are the Specialized Tarmac SL3 minus the Specialized Roubaix SL3 Pro SRAM Compact. Full charts: 2012 Specialized Roubaix SL3 Pro SRAM Compact, 2011 Specialized Tarmac SL3.

Where each sits in its class

Specialized Roubaix SL3 Pro SRAM CompactSpecialized Tarmac SL3

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 SL3 Pro SRAM CompactSL3 Pro SRAM RED CompactSpecialized Tarmac SL3S-Works
CassetteSRAM PG-1170not listed
StemSpecialized Pro-Setnot listed
Framenot listedSpecialized S-Works SL3 FACT

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