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2022 Specialized Aethos Comp vs 2020 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 58 places the top of the head tube 47 mm higher and 18 mm further forward, relative to the bottom bracket. Its wheelbase is 27 mm longer, which can contribute to stability at speed.

Frame stack
+47 mm
Higher front end
Frame reach
+18 mm
Longer frame reach
Wheelbase
+27 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

2022 Specialized Aethos Comp (54) and 2020 Specialized Tarmac SL6 (58), 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, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Aethos Comp 54Specialized Tarmac SL6 58Difference
Reach384mm402mm+18 mm
Stack544mm591mm+47 mm
Head tube angle73°73.5°+0.5°
Seat tube angle74°73.5°−0.5°
Chainstay length410mm410mm±0 mm
Wheelbase978mm1005mm+27 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover748mm826mm+78 mm
Seat tube length481mm522mm+41 mm
Fork length369mm363mm−6 mm
Head tube length137mm190mm+53 mm

Differences are the Specialized Tarmac SL6 minus the Specialized Aethos Comp. Full charts: 2022 Specialized Aethos Comp, 2020 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 SL6S-Works
FrameSpecialized Aethos FACTnot listed
DerailleurSRAM RD RIVAL ETAP AXS D1 MAXSRAM RED eTAP AXS
CassetteSRAM Rival XG-1250 D1SRAM RED XG-1290
ChainSRAM RIVAL D1SRAM Red
CranksetSRAM FC RIVAL D1 DUB XXX 4835SRAM RED AXS Power Meter
Bottom bracketSRAM DUBSRAM DUB
WheelsetSpecialized WH-DT R470Roval CLX 50
TireSpecialized Turbo ProSpecialized Turbo Cotton
BrakeSpecialized overrideSRAM Red eTap AXS
SeatpostRoval Alpinistnot listed
SaddleSpecialized Power SportSpecialized S-Works Power
Hubnot listedSpecialized LuHai_RVT66L-K5-B25-AN2-N4-F0

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