Quiver

2015 Specialized Roubaix SL4 vs 2017 Trek Émonda SL

The 54 is the Trek Émonda SL size closest to your 54 Specialized Roubaix SL4. 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 SL

Compared with the Specialized Roubaix SL4 in 54, the Trek Émonda SL in 54 places the top of the head tube 8 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 19 mm shorter, which can contribute to quicker direction changes.

Frame stack
−8 mm
Lower front end
Frame reach
+1 mm
About the same reach
Wheelbase
−19 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
−5 mm
Shorter: livelier

The two frames

2015 Specialized Roubaix SL4 (54)The Specialized Roubaix SL4 frame drawn to scale.J 1000

Only the Specialized Roubaix SL4 is drawn. The Trek Émonda SL numbers we have for size 54 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Roubaix SL4 54Trek Émonda SL 54Difference
Reach380mm381+1 mm
Stack563mm555−8 mm
Head tube angle72°73.0°+1.0°
Seat tube angle73.5°not listed
Effective top tube548mm543−5 mm
Chainstay length415mm410−5 mm
Wheelbase1000mm981−19 mm
BB drop71.5mm70−2 mm
Standover776mm742−34 mm
Seat tube length495mm506+11 mm
Head tube length165mm155−10 mm

Differences are the Trek Émonda SL minus the Specialized Roubaix SL4. Full charts: 2015 Specialized Roubaix SL4, 2017 Trek Émonda SL.

Where each sits in its class

Specialized Roubaix SL4Trek Émonda SL

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 Roubaix SL4S-Works SL4Trek Émonda SLSL 5
FrameSpecialized S-Works SL4 FACTTrek Ultralight 500
SeatpostSpecialized CG-RBontrager Tuned
Shifternot listedShimano 105
Derailleurnot listedShimano 105
Cassettenot listedShimano 105
Chainnot listedShimano 105
Cranksetnot listedShimano 105
Bottom bracketnot listedTrek BB90
Tirenot listedBontrager R2 Hard-Case Lite
Brakenot listedShimano 105
Handlebarnot listedBontrager Elite VR-C
Saddlenot listedBontrager Montrose

Know what is on every bike.

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

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