Quiver

2022 Specialized Tarmac SL6 vs 2024 Specialized Aethos FACT 12r Carbon

The 49 is the Specialized Aethos FACT 12r Carbon size closest to your 49 Specialized Tarmac SL6. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Aethos FACT 12r Carbon

Compared with the Specialized Tarmac SL6 in 49, the Specialized Aethos FACT 12r Carbon in 49 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.

Frame stack
±0 mm
About the same height
Frame reach
±0 mm
About the same reach
Wheelbase
±0 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2022 Specialized Tarmac SL6 (49) and 2024 Specialized Aethos FACT 12r Carbon (49), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac SL6 is drawn in full with its measurements, and the Specialized Aethos FACT 12r Carbon is the colored outline on top.J 973

Specialized Tarmac SL6, 49Specialized Aethos FACT 12r Carbon, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac SL6 49Specialized Aethos FACT 12r Carbon 49Difference
Reach375mm375mm±0 mm
Stack514mm514mm±0 mm
Head tube angle71.75°71.75°±0.0°
Seat tube angle75.5°75.5°±0.0°
Chainstay length410mm410mm±0 mm
Wheelbase973mm973mm±0 mm
BB drop74mm74mm±0 mm
BB height266mm266mm±0 mm
Standover740mm705mm−35 mm
Seat tube length451mm431mm−20 mm
Fork length363mm369mm+6 mm
Head tube length115mm109mm−6 mm

Differences are the Specialized Aethos FACT 12r Carbon minus the Specialized Tarmac SL6. Full charts: 2022 Specialized Tarmac SL6, 2024 Specialized Aethos FACT 12r Carbon.

Where each sits in its class

Specialized Tarmac SL6Specialized Aethos FACT 12r Carbon

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 SL6Tarmac SL6 - Shimano TiagraSpecialized Aethos FACT 12r CarbonS-Works FACT 12r Carbon
FrameSpecialized Tarmac SL6Specialized S-Works Aethos FACT
ShifterShimano Tiagranot listed
DerailleurShimano Tiagranot listed
ChainKMC X10not listed
CranksetShimano Tiagra 4700not listed
WheelsetSpecialized Axis Sportnot listed
TireSpecialized Turbo Pronot listed
BrakeShimano Tiagra BR-4770not listed
SaddleSpecialized Power Sportnot listed
Seatpostnot listedRoval Alpinist

Know what is on every bike.

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