Quiver

2024 Specialized Aethos Comp vs 2022 Specialized Tarmac SL6

The Specialized Tarmac SL6 size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Tarmac SL6

Compared with the Specialized Aethos Comp in 54, the Specialized Tarmac SL6 in 49 places the top of the head tube 30 mm lower and 9 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.

Frame stack
−30 mm
Lower front end
Frame reach
−9 mm
Shorter frame reach
Wheelbase
−5 mm
Shorter: quicker to change direction
Head angle
−1.3°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2024 Specialized Aethos Comp (54) and 2022 Specialized Tarmac SL6 (49), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Aethos Comp is drawn in full with its measurements, and the Specialized Tarmac SL6 is the colored outline on top.J 978

Specialized Aethos Comp, 54Specialized Tarmac SL6, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Aethos Comp 54Specialized Tarmac SL6 49Difference
Reach384mm375mm−9 mm
Stack544mm514mm−30 mm
Head tube angle73°71.75°−1.3°
Seat tube angle74°75.5°+1.5°
Chainstay length410mm410mm±0 mm
Wheelbase978mm973mm−5 mm
BB drop72mm74mm+2 mm
BB height268mm266mm−2 mm
Standover748mm740mm−8 mm
Seat tube length481mm451mm−30 mm
Fork length369mm363mm−6 mm
Head tube length137mm115mm−22 mm

Differences are the Specialized Tarmac SL6 minus the Specialized Aethos Comp. Full charts: 2024 Specialized Aethos Comp, 2022 Specialized Tarmac SL6.

Where each sits in its class

Specialized Aethos CompSpecialized Tarmac SL6

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 Aethos CompCompSpecialized Tarmac SL6Tarmac SL6 - Shimano Tiagra
FrameSpecialized AethosSpecialized Tarmac SL6
ForkSpecialized FACTnot listed
ShifterShimano 105 R7170Shimano Tiagra
DerailleurShimano 105 R7150 Di2Shimano Tiagra
CassetteShimano 105not listed
ChainShimano SLX M7100KMC X10
CranksetShimano 105 R7100Shimano Tiagra 4700
Bottom bracketShimano Threaded BSA BBnot listed
WheelsetDT Swiss R470Specialized Axis Sport
TireTurbo ProSpecialized Turbo Pro
BrakeShimano 105, Shimano 105 R7170Shimano Tiagra BR-4770
HandlebarSpecialized Shallow Dropnot listed
StemSpecialized Pro SLnot listed
Bar tapeSpecialized Roubaix S-Wrapnot listed
SeatpostRoval Alpinistnot listed
SaddleSpecialized Power SportSpecialized Power Sport

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