Quiver

2020 Trek Madone SLR Disc vs 2022 Specialized Aethos Expert

The 58 is the Specialized Aethos Expert size closest to your 58 Trek Madone SLR Disc. 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 Trek Madone SLR Disc in 58, the Specialized Aethos Expert in 58 places the top of the head tube 10 mm higher and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.

Frame stack
+10 mm
Higher front end
Frame reach
+6 mm
Longer frame reach
Wheelbase
+13 mm
Longer: steadier at speed
Head angle
−0.3°
About the same head angle
Chainstays
−1 mm
About the same

The two frames

We can't draw these frames yet. The Trek Madone SLR Disc numbers we have for size 58 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Madone SLR Disc 58Specialized Aethos Expert 58Difference
Reach396402mm+6 mm
Stack581591mm+10 mm
Head tube angle73.8°73.5°−0.3°
Effective top tube574not listed
Chainstay length411410mm−1 mm
Wheelbase9921005mm+13 mm
BB drop6872mm+4 mm
Standover793796mm+3 mm
Seat tube length553532mm−21 mm
Head tube length171184mm+13 mm
Seat tube anglenot listed73.5°
BB heightnot listed268mm
Fork lengthnot listed369mm

Differences are the Specialized Aethos Expert minus the Trek Madone SLR Disc. Full charts: 2020 Trek Madone SLR Disc, 2022 Specialized Aethos Expert.

Where each sits in its class

Trek Madone SLR DiscSpecialized 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.

PartTrek Madone SLR DiscSLR 6 DiscSpecialized Aethos ExpertExpert
FrameTrek OCLVSpecialized Aethos FACT
ForkTrek Madone KVFnot listed
ShifterShimano Ultegra R8020Specialized Di2 Shimano Ultegra R8170
DerailleurShimano Ultegra R8000Specialized Di2 Shimano Ultegra R8150
CassetteShimano Ultegra R8000Shimano Ultegra
ChainShimano Ultegra HG701Shimano XT M8100
CranksetShimano Ultegra R8000Shimano Ultegra R8100
Bottom bracketTrek BB90not listed
WheelsetBontrager Aeolus Pro 5Roval C38
TireBontrager R3 Hard-Case LiteSpecialized S-Works Turbo
BrakeShimano Ultegra R8070Shimano Ultegra R8170
HandlebarTrek Madonenot listed
StemTrek Madonenot listed
HeadsetTrek Madonenot listed
SeatpostTrek MadoneRoval Alpinist
SaddleBontrager Montrose EliteSpecialized Power Expert

Know what is on every bike.

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

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet