Quiver

2025 Trek Émonda ALR Frameset vs 2025 Specialized Tarmac SL8 LTD

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Tarmac SL8 LTD

Frame stack
n/a
One of the bikes has no number for this
Frame reach
+9 mm
Longer frame reach
Wheelbase
+14 mm
Longer: steadier at speed
Head angle
−0.3°
About the same head angle
Chainstays
−1 mm
About the same

The two frames

We can't draw these frames yet. The Trek Émonda ALR Frameset numbers we have for size 58 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Émonda ALR Frameset 58Specialized Tarmac SL8 LTD 58Difference
Reach391400mm+9 mm
Stack596not listed
Head tube angle73.8°73.5°−0.3°
Effective top tube573577mm+4 mm
Chainstay length411410mm−1 mm
Wheelbase9921006mm+14 mm
BB drop6872mm+4 mm
Standover786808mm+22 mm
Seat tube length533515mm−18 mm
Head tube length190184mm−6 mm
Seat tube anglenot listed73.5°
BB heightnot listed268mm
Fork lengthnot listed370mm

Differences are the Specialized Tarmac SL8 LTD minus the Trek Émonda ALR Frameset. Full charts: 2025 Trek Émonda ALR Frameset, 2025 Specialized Tarmac SL8 LTD.

Where each sits in its class

Trek Émonda ALR FramesetSpecialized Tarmac SL8 LTD

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 ALR FramesetALR FramesetSpecialized Tarmac SL8 LTDS-Works LTD
FrameTrek Ultralight 300Specialized S-Works Tarmac SL8 FACT
ForkTrek Émonda SLnot listed
Shifternot listedSRAM RED AXS
Derailleurnot listedSRAM Red AXS
Cassettenot listedSRAM RED XG-1290
Chainnot listedSRAM RED
Cranksetnot listedSRAM RED AXS Power Meter
Bottom bracketnot listedSRAM DUB
Wheelsetnot listedRoval Rapide CLX II
Tirenot listedSpecialized S-Works Turbo Rapidair 2Br
Brakenot listedSRAM Red AXS
Handlebarnot listedRoval Rapide Cockpit
Stemnot listedRoval Rapide Cockpit
Saddlenot listedSpecialized S-Works Power

Know what is on every bike.

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

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