Quiver

2024 Specialized Aethos Pro 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 Pro in 54, the Trek Madone SLR in 62 places the top of the head tube 76 mm higher and 19 mm further forward, relative to the bottom bracket. Its wheelbase is 32 mm longer, which can contribute to stability at speed.

Frame stack
+76 mm
Higher front end
Frame reach
+19 mm
Longer frame reach
Wheelbase
+32 mm
Longer: steadier at speed
Head angle
+0.9°
Steeper: sharper steering
Chainstays
+2 mm
About the same

The two frames

2024 Specialized Aethos Pro (54) and 2023 Trek Madone SLR (62), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Aethos Pro is drawn in full with its measurements, and the Trek Madone SLR is the colored outline on top.J 978

Specialized Aethos Pro, 54Trek Madone SLR, 62Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Aethos Pro 54Trek Madone SLR 62Difference
Reach384mm403+19 mm
Stack544mm620+76 mm
Head tube angle73°73.9+0.9°
Seat tube angle74°72.5−1.5°
Chainstay length410mm412+2 mm
Wheelbase978mm1010+32 mm
BB drop72mm68−4 mm
BB height268mmnot listed
Standover748mm829+81 mm
Seat tube length481mm593+112 mm
Fork length369mmnot listed
Head tube length137mm211+74 mm
Effective top tubenot listed598

Differences are the Trek Madone SLR minus the Specialized Aethos Pro. Full charts: 2024 Specialized Aethos Pro, 2023 Trek Madone SLR.

Where each sits in its class

Specialized Aethos ProTrek 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 ProProTrek Madone SLRSLR 6
FrameSpecialized Aethos FACTTrek Madone
ShifterShimano Ultegra R8170 Di2Shimano Ultegra
DerailleurShimano Ultegra R8150 Di2Shimano Ultegra
CassetteShimano UltegraShimano Ultegra
ChainShimano XT M8100Shimano 105 DI2
CranksetShimano Ultegra R8100Shimano Ultegra Mid Compact
WheelsetRoval Alpinist CL IIBontrager Aeolus Pro 51
TireSpecialized S-Works Turbo 2BRBontrager R3 Hard-Case Lite
BrakeShimano Ultegra R8170Shimano Ultegra
SeatpostRoval AlpinistTrek Madone
SaddleSpecialized PowerBontrager 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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