Quiver

2020 Specialized Tarmac SL6 Disc Sport vs 2022 Specialized Aethos Expert

The 56 is the Specialized Aethos Expert size closest to your 56 Specialized Tarmac SL6 Disc Sport. 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 Expert

Compared with the Specialized Tarmac SL6 Disc Sport in 56, the Specialized Aethos Expert in 56 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
+1 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2020 Specialized Tarmac SL6 Disc Sport (56) and 2022 Specialized Aethos Expert (56), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Tarmac SL6 Disc Sport is drawn in full with its measurements, and the Specialized Aethos Expert is the colored outline on top.J 990

Specialized Tarmac SL6 Disc Sport, 56Specialized Aethos Expert, 56Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Tarmac SL6 Disc Sport 56Specialized Aethos Expert 56Difference
Reach395mm395mm±0 mm
Stack565mm565mm±0 mm
Head tube angle73.5°73.5°±0.0°
Seat tube angle73.5°73.5°±0.0°
Chainstay length410mm410mm±0 mm
Wheelbase990mm991mm+1 mm
BB drop72mm72mm±0 mm
BB height268mm268mm±0 mm
Standover795mm769mm−26 mm
Seat tube length519mm504mm−15 mm
Fork length363mm369mm+6 mm
Head tube length163mm157mm−6 mm

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

Where each sits in its class

Specialized Tarmac SL6 Disc SportSpecialized Aethos Expert

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 SL6 Disc SportDisc SportSpecialized Aethos ExpertExpert
FrameSpecialized Tarmac SL6Specialized Aethos FACT
ShifterShimano 105 R7020Specialized Di2 Shimano Ultegra R8170
DerailleurShimano 105 R7000, Shimano TiagraSpecialized Di2 Shimano Ultegra R8150
CassetteShimano 105 R7000Shimano Ultegra
ChainKMC X11 ExtraShimano XT M8100
CranksetShimano 105 R7000Shimano Ultegra R8100
WheelsetDT Swiss R470Roval C38
TireSpecialized Turbo ProSpecialized S-Works Turbo
BrakeShimano 105Shimano Ultegra R8170
SaddleSpecialized Power SportSpecialized Power Expert
Seatpostnot listedRoval Alpinist

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