Quiver

2018 Trek Domane vs 2017 Specialized Roubaix

The Specialized Roubaix size closest to your 56 is the 54. Compare the 54 instead

What changes on the Specialized Roubaix

Compared with the Trek Domane in 56, the Specialized Roubaix in 49 places the top of the head tube 42 mm lower and 8 mm further back, relative to the bottom bracket. Its wheelbase is 27 mm shorter, which can contribute to quicker direction changes.

Frame stack
−42 mm
Lower front end
Frame reach
−8 mm
Shorter frame reach
Wheelbase
−27 mm
Shorter: quicker to change direction
Head angle
+0.1°
About the same head angle
Chainstays
−7 mm
Shorter: livelier

The two frames

2018 Trek Domane (56) and 2017 Specialized Roubaix (49), lined up at the bottom bracketBoth frames drawn to scale. The Trek Domane is drawn in full with its measurements, and the Specialized Roubaix is the colored outline on top.J 1008

Trek Domane, 56Specialized Roubaix, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTrek Domane 56Specialized Roubaix 49Difference
Reach377369−8 mm
Stack591549−42 mm
Head tube angle71.972+0.1°
Seat tube angle73.374+0.7°
Effective top tube554527mm−27 mm
Chainstay length420413−7 mm
Wheelbase1008981−27 mm
BB drop7877.5mm−1 mm
Standover776715.5−61 mm
Seat tube length525425−100 mm
Head tube length17590−85 mm

Differences are the Specialized Roubaix minus the Trek Domane. Full charts: 2018 Trek Domane, 2017 Specialized Roubaix.

Where each sits in its class

Trek DomaneSpecialized Roubaix

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 DomaneSpecialized RoubaixRoubaix Comp
Framenot listedSpecialized FACT 9r carbon
Forknot listedSpecialized S-Works FACT
Shifternot listedShimano RS505
Derailleurnot listedShimano Ultegra
Cassettenot listedShimano 105
Chainnot listedKMC X11
Cranksetnot listedPraxis Zayante
Chainringnot listedPraxis Zayante
Wheelsetnot listedDT Swiss R470 Disc
Tirenot listedSpecialized Turbo
Rimnot listedDT Swiss R470
Brakenot listedShimano 505
Rotornot listedShimano Rotor
Handlebarnot listedSpecialized Hover
Stemnot listedSpecialized 3D-forged
Bar tapenot listedSpecialized S-Wrap Roubaix
Seatpostnot listedSpecialized CG-R
Saddlenot listedSpecialized Phenom

Know what is on every bike.

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