Quiver

2026 Specialized Tarmac SL8 Pro SRAM vs 2025 Trek Émonda ALR

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

What changes on the Trek Émonda ALR

Compared with the Specialized Tarmac SL8 Pro SRAM in 54, the Trek Émonda ALR in 52 places the top of the head tube 11 mm lower and about as far forward, relative to the bottom bracket.

Frame stack
−11 mm
Lower front end
Frame reach
−1 mm
About the same reach
Wheelbase
−1 mm
About the same
Head angle
n/a
One of the bikes has no number for this
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Specialized Tarmac SL8 Pro SRAM numbers we have for size 54 are missing the head angle, seat angle and chainstay length. The numbers below still compare.

Geometry side by side

MeasurementSpecialized Tarmac SL8 Pro SRAM 54Trek Émonda ALR 52Difference
Reach384383−1 mm
Stack544533−11 mm
Effective top tube541534−7 mm
Wheelbase978977−1 mm
BB height268not listed
Seat tube length473483+10 mm
Head tube length137121−16 mm
Head tube anglenot listed72.8°
Chainstay lengthnot listed410
BB dropnot listed72
Standovernot listed732

Differences are the Trek Émonda ALR minus the Specialized Tarmac SL8 Pro SRAM. Full charts: 2026 Specialized Tarmac SL8 Pro SRAM, 2025 Trek Émonda ALR.

Where each sits in its class

Specialized Tarmac SL8 Pro SRAMTrek Émonda ALR

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 Pro SRAMPro SRAM Force AXSTrek Émonda ALRALR 5
FrameSpecialized Tarmac SL8not listed
ForkSpecialized FACT 10rTrek Émonda ALR
ShifterSRAM AXS E1 HRD Forcenot listed
DerailleurSRAM AXS E1 Force, SRAM Force AXSnot listed
CassetteSRAM XG-1270 Forcenot listed
ChainSRAM E1 Forcenot listed
CranksetSRAM E1 Forcenot listed
ChainringSRAM Force E1not listed
Bottom bracketSRAM DUBnot listed
WheelsetRoval Rapide CL IIIBontrager Paradigm SL
TireSpecialized Turbo Race, Specialized Turbo TLR RaceBontrager R1 Hard-Case Lite
BrakeSRAM AXS E1 Force, SRAM Force E1not listed
RotorSRAM AXS E1, SRAM 160mm rearnot listed
HandlebarRoval Rapide Cockpitnot listed
StemRoval Rapide Cockpitnot listed
GripsSupacaz Super Sticky Kushnot listed
Bar tapeSupacaz Super Sticky Kushnot listed
SeatpostSpecialized Tarmac SL8 Carbonnot listed
SaddleSpecialized Power Pro Mirrornot listed

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