Quiver

2019 Trek Émonda ALR Disc vs 2021 Specialized Tarmac SL7 Pro

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 SL7 Pro

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
−8 mm
Shorter: quicker to change direction
Head angle
−0.5°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

We can't draw these frames yet. The Trek Émonda ALR Disc numbers we have for size 56 are missing the seat angle. The numbers below still compare.

Geometry side by side

MeasurementTrek Émonda ALR Disc 56Specialized Tarmac SL7 Pro 54Difference
Reach387not listed
Stack577not listed
Head tube angle73.5°73−0.5°
Effective top tube560not listed
Chainstay length410410±0 mm
Wheelbase983975−8 mm
BB drop7072+2 mm
Standover767768mm+1 mm
Seat tube length513not listed
Head tube length170not listed
Seat tube anglenot listed74
BB heightnot listed268

Differences are the Specialized Tarmac SL7 Pro minus the Trek Émonda ALR Disc. Full charts: 2019 Trek Émonda ALR Disc, 2021 Specialized Tarmac SL7 Pro.

Where each sits in its class

Trek Émonda ALR DiscSpecialized Tarmac SL7 Pro

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 DiscALR 4 DiscSpecialized Tarmac SL7 Pro
FrameTrek Ultralight 300not listed
ShifterShimano RS405not listed
DerailleurShimano Tiagranot listed
CassetteShimano Tiagranot listed
ChainShimano Tiagranot listed
CranksetShimano Tiagranot listed
Bottom bracketTrek BB86.5not listed
TireBontrager R1 Hard-Case Litenot listed
RimBontrager Affinitynot listed
BrakeShimano RS405not listed
HandlebarBontrager Comp VR-Cnot listed
SaddleBontrager Montrosenot 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