Quiver

2018 Trek Émonda SL Disc Frameset vs 2019 Specialized Allez Sport

The 52 is the Specialized Allez Sport size closest to your 54 Trek Émonda SL Disc Frameset. 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 Allez Sport

Compared with the Trek Émonda SL Disc Frameset in 54, the Specialized Allez Sport in 52 places the top of the head tube 3 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.

Frame stack
−3 mm
Lower front end
Frame reach
−5 mm
Shorter frame reach
Wheelbase
−3 mm
Shorter: quicker to change direction
Head angle
±0.0°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

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

Geometry side by side

MeasurementTrek Émonda SL Disc Frameset 54Specialized Allez Sport 52Difference
Reach381376mm−5 mm
Stack555552mm−3 mm
Head tube angle73.0°73°±0.0°
Effective top tube543542mm−1 mm
Chainstay length410415mm+5 mm
Wheelbase981978mm−3 mm
BB drop7077mm+7 mm
Standover742755mm+13 mm
Seat tube length506490mm−16 mm
Head tube length155135mm−20 mm
Seat tube anglenot listed73.25°
BB heightnot listed263mm
Fork lengthnot listed375mm

Differences are the Specialized Allez Sport minus the Trek Émonda SL Disc Frameset. Full charts: 2018 Trek Émonda SL Disc Frameset, 2019 Specialized Allez Sport.

Where each sits in its class

Trek Émonda SL Disc FramesetSpecialized Allez Sport

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 SL Disc FramesetSL Disc FramesetSpecialized Allez SportSport
FrameTrek Ultralight 500not listed
Shifternot listedShimano Sora
Derailleurnot listedShimano Sora
Chainnot listedKMC X9
Cranksetnot listedPraxis Alba M30
Wheelsetnot listedSpecialized Axis Sport
Tirenot listedSpecialized Espoir Sport
Brakenot listedSpecialized Axis 1.0
Saddlenot listedSpecialized Toupé Sport

Know what is on every bike.

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

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