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2023 Specialized Aethos Comp vs 2023 Trek Madone SLR

The Trek Madone SLR size closest to your 54 is the 54. Compare the 54 instead

What changes on the Trek Madone SLR

Compared with the Specialized Aethos Comp in 54, the Trek Madone SLR in 52 places the top of the head tube 11 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−11 mm
Lower front end
Frame reach
−1 mm
About the same reach
Wheelbase
−1 mm
About the same
Head angle
−0.2°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2023 Specialized Aethos Comp (54) and 2023 Trek Madone SLR (52), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Aethos Comp is drawn in full with its measurements, and the Trek Madone SLR is the colored outline on top.J 978

Specialized Aethos Comp, 54Trek Madone SLR, 52Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Aethos Comp 54Trek Madone SLR 52Difference
Reach384mm383−1 mm
Stack544mm533−11 mm
Head tube angle73°72.8−0.2°
Seat tube angle74°74.2+0.2°
Chainstay length410mm410±0 mm
Wheelbase978mm977−1 mm
BB drop72mm72±0 mm
BB height268mmnot listed
Standover748mm732−16 mm
Seat tube length481mm483+2 mm
Fork length369mmnot listed
Head tube length137mm121−16 mm
Effective top tubenot listed534

Differences are the Trek Madone SLR minus the Specialized Aethos Comp. Full charts: 2023 Specialized Aethos Comp, 2023 Trek Madone SLR.

Where each sits in its class

Specialized Aethos CompTrek Madone SLR

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 CompCompTrek Madone SLRSLR 6
FrameSpecialized Aethos FACTTrek Madone
ShifterShimano 105 R7170 Di2Shimano Ultegra
DerailleurShimano 105 R7150 Di2Shimano Ultegra
CassetteShimano 105Shimano Ultegra
ChainShimano SLX M7100Shimano 105 DI2
CranksetSpecialized FC-R7100Shimano Ultegra Mid Compact
WheelsetDT Swiss R470Bontrager Aeolus Pro 51
TireSpecialized Turbo ProBontrager R3 Hard-Case Lite
BrakeShimano 105 R7170Shimano Ultegra
SeatpostRoval AlpinistTrek Madone
SaddleSpecialized Power SportBontrager Aeolus Elite
Forknot listedTrek Madone KVF
Chainringnot listedShimano Ultegra
Bottom bracketnot listedTrek T47
Rotornot listedShimano Ultegra
Handlebarnot listedTrek Madone Integrated
Stemnot listedTrek Madone aero

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