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2018 Trek Domane SL vs 2020 Specialized Roubaix Sport

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

What changes on the Specialized Roubaix Sport

Compared with the Trek Domane SL in 56, the Specialized Roubaix Sport in 49 places the top of the head tube 36 mm lower and 14 mm further back, relative to the bottom bracket. Its wheelbase is 26 mm shorter, which can contribute to quicker direction changes.

Frame stack
−36 mm
Lower front end
Frame reach
−14 mm
Shorter frame reach
Wheelbase
−26 mm
Shorter: quicker to change direction
Head angle
−0.4°
Slacker: calmer steering
Chainstays
−7 mm
Shorter: livelier

The two frames

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

Geometry side by side

MeasurementTrek Domane SL 56Specialized Roubaix Sport 49Difference
Reach377363mm−14 mm
Stack591555mm−36 mm
Head tube angle71.971.5°−0.4°
Effective top tube554not listed
Chainstay length420413mm−7 mm
Wheelbase1008982mm−26 mm
BB drop7877.5mm−1 mm
Standover776715mm−61 mm
Seat tube length525410mm−115 mm
Head tube length175100mm−75 mm
Seat tube anglenot listed74°
BB heightnot listed265mm
Fork lengthnot listed370mm

Differences are the Specialized Roubaix Sport minus the Trek Domane SL. Full charts: 2018 Trek Domane SL, 2020 Specialized Roubaix Sport.

Where each sits in its class

Trek Domane SLSpecialized Roubaix Sport

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 Domane SLSL 5Specialized Roubaix SportSport
FrameTrek Domanenot listed
ShifterShimano 105 Di2Shimano 105 R7020
DerailleurShimano 105 Di2Shimano 105, Shimano 105 R7000 GS
CassetteShimano 105Shimano 105
ChainShimano 105 DI2KMC X11 Extra
CranksetShimano 105Praxis Alba
WheelsetBontrager TLRDT Swiss R470
TireBontrager R1Specialized Turbo Pro
BrakeShimano 105 Di2Shimano 105
HandlebarBontrager Race VR-CSpecialized Hover
StemBontrager Elitenot listed
SeatpostBontrager Ride TunedSpecialized S-Works Pave
SaddleBontrager Affinity CompSpecialized Power Sport
Forknot listedSpecialized Future Shock 1.5

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