Quiver

2015 Specialized Tarmac Pro vs 2016 Trek Émonda SLR

The 52 is the Trek Émonda SLR size closest to your 54 Specialized Tarmac Pro. 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

Compared with the Specialized Tarmac Pro in 54, the Trek Émonda SLR in 52 places the top of the head tube 4 mm higher and 8 mm further back, relative to the bottom bracket.

Frame stack
+4 mm
Higher front end
Frame reach
−8 mm
Shorter frame reach
Wheelbase
−1 mm
About the same
Head angle
−0.2°
About the same head angle
Chainstays
+5 mm
Longer: more planted

The two frames

2015 Specialized Tarmac Pro (54)The Specialized Tarmac Pro frame drawn to scale.J 978

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

Geometry side by side

MeasurementSpecialized Tarmac Pro 54Trek Émonda SLR 52Difference
Reach387mm379−8 mm
Stack543mm547+4 mm
Head tube angle73°72.8°−0.2°
Seat tube angle73.5°not listed
Effective top tube548mm534−14 mm
Chainstay length405mm410+5 mm
Wheelbase978mm977−1 mm
BB drop69mm72+3 mm
Standover775mm729−46 mm
Seat tube length481mm493+12 mm
Head tube length140mm140±0 mm

Differences are the Trek Émonda SLR minus the Specialized Tarmac Pro. Full charts: 2015 Specialized Tarmac Pro, 2016 Trek Émonda SLR.

Where each sits in its class

Specialized Tarmac ProTrek Émonda SLR

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 ProTrek Émonda SLRSLR 10
Framenot listedTrek Ultralight 700
Forknot listedTrek Émonda
Shifternot listedSRAM RED 22
Derailleurnot listedSRAM RED 22
Cassettenot listedSRAM X-Glide 1190
Chainnot listedSRAM RED22
Cranksetnot listedSRAM Red
Bottom bracketnot listedTrek BB90
Wheelsetnot listedTrek Tune MIG45
Tirenot listedVittoria Crono CS
Hubnot listedTrek Tune MIG45, Trek Tune MAG150
Rimnot listedTrek Tune Skyline
Brakenot listedBontrager Stop
Handlebarnot listedBontrager XXX
Stemnot listedBontrager XXX
Headsetnot listedCane Creek AER
Seatpostnot listedBontrager SLR
Saddlenot listedTrek Tune Komm-Vor Plus

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