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2022 Trek Émonda SLR vs 2024 Specialized Aethos FACT 12r Carbon

The Specialized Aethos FACT 12r Carbon size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Aethos FACT 12r Carbon

Compared with the Trek Émonda SLR in 54, the Specialized Aethos FACT 12r Carbon in 61 places the top of the head tube 71 mm higher and 22 mm further forward, relative to the bottom bracket. Its wheelbase is 31 mm longer, which can contribute to stability at speed.

Frame stack
+71 mm
Higher front end
Frame reach
+22 mm
Longer frame reach
Wheelbase
+31 mm
Longer: steadier at speed
Head angle
+1.0°
Steeper: sharper steering
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Trek Émonda SLR numbers we have for size 54 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Émonda SLR 54Specialized Aethos FACT 12r Carbon 61Difference
Reach386408mm+22 mm
Stack541612mm+71 mm
Head tube angle73.0°74°+1.0°
Effective top tube543not listed
Chainstay length410410mm±0 mm
Wheelbase9811012mm+31 mm
BB drop7072mm+2 mm
Standover744824mm+80 mm
Seat tube length496567mm+71 mm
Head tube length131204mm+73 mm
Seat tube anglenot listed73°
BB heightnot listed268mm
Fork lengthnot listed369mm

Differences are the Specialized Aethos FACT 12r Carbon minus the Trek Émonda SLR. Full charts: 2022 Trek Émonda SLR, 2024 Specialized Aethos FACT 12r Carbon.

Where each sits in its class

Trek Émonda SLRSpecialized Aethos FACT 12r Carbon

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 Émonda SLRSpecialized Aethos FACT 12r CarbonS-Works FACT 12r Carbon
Framenot listedSpecialized S-Works Aethos FACT
Seatpostnot listedRoval Alpinist

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