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2024 Specialized Tarmac SL8 Pro vs 2024 Trek Émonda SLR H2

The Trek Émonda SLR H2 size closest to your 54 is the 54. Compare the 54 instead

What changes on the Trek Émonda SLR H2

Compared with the Specialized Tarmac SL8 Pro in 54, the Trek Émonda SLR H2 in 52 places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−5 mm
Lower front end
Frame reach
−2 mm
About the same reach
Wheelbase
−1 mm
About the same
Head angle
−0.2°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2024 Specialized Tarmac SL8 Pro (54)The Specialized Tarmac SL8 Pro frame drawn to scale.J 978

Only the Specialized Tarmac SL8 Pro is drawn. The Trek Émonda SLR H2 numbers we have for size 52 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Tarmac SL8 Pro 54Trek Émonda SLR H2 52Difference
Reach381mm379−2 mm
Stack552mm547−5 mm
Head tube angle73°72.8°−0.2°
Seat tube angle74°not listed
Chainstay length410mm410±0 mm
Wheelbase978mm977−1 mm
BB drop72mm72±0 mm
BB height268mmnot listed
Standover768mm729−39 mm
Seat tube length473mm493+20 mm
Fork length370mmnot listed
Head tube length137mm140+3 mm
Effective top tubenot listed534

Differences are the Trek Émonda SLR H2 minus the Specialized Tarmac SL8 Pro. Full charts: 2024 Specialized Tarmac SL8 Pro, 2024 Trek Émonda SLR H2.

Where each sits in its class

Specialized Tarmac SL8 ProTrek Émonda SLR H2

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 Tarmac SL8 ProTrek Émonda SLR H2SLR H2
Framenot listedTrek Ultralight 700
Forknot listedTrek Emonda SLR
Headsetnot listedBontrager Expander Plug
Seatpostnot listedTrek Not

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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