Quiver

2027 Trek Madone SL Gen 8 First Replica vs 2025 Trek Émonda ALR

The 56 is the Trek Émonda ALR size closest to your ML Trek Madone SL Gen 8 First Replica. 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 Trek Émonda ALR

Compared with the Trek Madone SL Gen 8 First Replica in ML, the Trek Émonda ALR in 56 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 3 mm longer, which can contribute to stability at speed.

Frame stack
+1 mm
About the same height
Frame reach
+2 mm
About the same reach
Wheelbase
+3 mm
Longer: steadier at speed
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Trek Madone SL Gen 8 First Replica numbers we have for size ML are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Madone SL Gen 8 First Replica MLTrek Émonda ALR 56Difference
Reach389391+2 mm
Stack562563+1 mm
Head tube angle73.5°73.5°±0.0°
Effective top tube557559+2 mm
Chainstay length410410±0 mm
Wheelbase980983+3 mm
BB drop7070±0 mm
Standover790768−22 mm
Seat tube length512525+13 mm
Head tube length150151+1 mm

Differences are the Trek Émonda ALR minus the Trek Madone SL Gen 8 First Replica. Full charts: 2027 Trek Madone SL Gen 8 First Replica, 2025 Trek Émonda ALR.

Where each sits in its class

Trek Madone SL Gen 8 First ReplicaTrek Émonda ALR

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 SL Gen 8 First ReplicaSL 7 Gen 8 - The First 50 ReplicaTrek Émonda ALRALR 5
ForkTrek Madone Gen 8Trek Émonda ALR
ShifterShimano Ultegra R8170 Di2not listed
DerailleurShimano Ultegra R8150 Di2not listed
CassetteShimano Ultegra R8101not listed
ChainShimano XT M8100 Ultegra/XTnot listed
CranksetShimano Ultegra R8100not listed
WheelsetBontrager Aeolus Pro 51Bontrager Paradigm SL
TireBontrager Aeolus ProBontrager R1 Hard-Case Lite
BrakeShimano Ultegranot listed
RotorShimano CL800not listed
StemTrek RCSnot listed
SeatpostTrek Madonenot listed
SaddleBontrager Aeolus Elitenot listed

Know what is on every bike.

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