Quiver

2021 Specialized Allez Sprint Disc vs 2023 Trek Émonda SLR Disc Frameset

The 47 is the Trek Émonda SLR Disc Frameset size closest to your 49 Specialized Allez Sprint 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 Trek Émonda SLR Disc Frameset

Compared with the Specialized Allez Sprint Disc in 49, the Trek Émonda SLR Disc Frameset in 47 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 6 mm longer, which can contribute to stability at speed.

Frame stack
±0 mm
About the same height
Frame reach
−2 mm
About the same reach
Wheelbase
+6 mm
Longer: steadier at speed
Head angle
−0.2°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2021 Specialized Allez Sprint Disc (49)The Specialized Allez Sprint Disc frame drawn to scale.J 966

Only the Specialized Allez Sprint Disc is drawn. The Trek Émonda SLR Disc Frameset numbers we have for size 47 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Allez Sprint Disc 49Trek Émonda SLR Disc Frameset 47Difference
Reach375mm373−2 mm
Stack507mm507±0 mm
Head tube angle72.25°72.1°−0.2°
Seat tube angle74°not listed
Chainstay length410mm410±0 mm
Wheelbase966mm972+6 mm
BB drop69mm72+3 mm
BB height271mmnot listed
Standover730mm692−38 mm
Seat tube length460mm424−36 mm
Fork length363mmnot listed
Head tube length110mm100−10 mm
Effective top tubenot listed512

Differences are the Trek Émonda SLR Disc Frameset minus the Specialized Allez Sprint Disc. Full charts: 2021 Specialized Allez Sprint Disc, 2023 Trek Émonda SLR Disc Frameset.

Where each sits in its class

Specialized Allez Sprint DiscTrek Émonda SLR Disc Frameset

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 Allez Sprint DiscDiscTrek Émonda SLR Disc FramesetSLR Disc Frameset
SeatpostSpecialized Allez Sprintnot listed
Framenot listedTrek Ultralight 800
Forknot listedTrek Emonda SLR
Derailleurnot listedTrek derailleurs must have

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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