Quiver

2022 Specialized Aethos vs 2020 Specialized Tarmac SL6

The 61 is the Specialized Tarmac SL6 size closest to your 61 Specialized Aethos. 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 Tarmac SL6

Compared with the Specialized Aethos in 61, the Specialized Tarmac SL6 in 61 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 Aethos (61) and 2020 Specialized Tarmac SL6 (61), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Aethos is drawn in full with its measurements, and the Specialized Tarmac SL6 is the colored outline on top.J 1012

Specialized Aethos, 61Specialized Tarmac SL6, 61Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Aethos 61Specialized Tarmac SL6 61Difference
Reach408mm408mm±0 mm
Stack612mm612mm±0 mm
Head tube angle74°74°±0.0°
Seat tube angle73°73°±0.0°
Chainstay length410mm410mm±0 mm
Wheelbase1012mm1012mm±0 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover824mm850mm+26 mm
Seat tube length567mm553mm−14 mm
Fork length369mm363mm−6 mm
Head tube length204mm210mm+6 mm

Differences are the Specialized Tarmac SL6 minus the Specialized Aethos. Full charts: 2022 Specialized Aethos, 2020 Specialized Tarmac SL6.

Where each sits in its class

Specialized AethosSpecialized 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 AethosAethos FramesetSpecialized Tarmac SL6S-Works
FrameSpecialized Aethos FACTnot listed
SeatpostRoval Alpinistnot listed
Derailleurnot listedSRAM RED eTAP AXS
Cassettenot listedSRAM RED XG-1290
Chainnot listedSRAM Red
Cranksetnot listedSRAM RED AXS Power Meter
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedRoval CLX 50
Tirenot listedSpecialized Turbo Cotton
Hubnot listedSpecialized LuHai_RVT66L-K5-B25-AN2-N4-F0
Brakenot listedSRAM Red eTap AXS
Saddlenot listedSpecialized S-Works Power

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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