Quiver

2019 Specialized Tarmac SL6 vs 2018 Orbea Orca Aero Base

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

What changes on the Orbea Orca Aero Base

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
n/a
One of the bikes has no number for this
Head angle
n/a
One of the bikes has no number for this
Chainstays
+3 mm
Longer: more planted

The two frames

2019 Specialized Tarmac SL6 (54)The Specialized Tarmac SL6 frame drawn to scale.J 973

Only the Specialized Tarmac SL6 is drawn. The Orbea Orca Aero Base numbers we have for size 51 are missing the reach, stack, head angle, seat angle and wheelbase.

Geometry side by side

MeasurementSpecialized Tarmac SL6 54Orbea Orca Aero Base 51Difference
Reach384not listed
Stack544not listed
Head tube angle73not listed
Seat tube angle74not listed
Effective top tube540not listed
Chainstay length405mm408+3 mm
Wheelbase973mmnot listed
BB drop72mmnot listed
BB height268mmnot listed
Standover775not listed
Seat tube length481not listed
Fork length363mm370+7 mm
Head tube length143not listed

Differences are the Orbea Orca Aero Base minus the Specialized Tarmac SL6. Full charts: 2019 Specialized Tarmac SL6, 2018 Orbea Orca Aero Base.

Where each sits in its class

Specialized Tarmac SL6Orbea Orca Aero Base

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 SL6S-WorksOrbea Orca Aero Base
FrameSpecialized S-Works Tarmac SL6not listed

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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