Quiver

2019 Trek Domane SL vs 2021 Specialized Roubaix Pro

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

What changes on the Specialized Roubaix Pro

Compared with the Trek Domane SL in 56, the Specialized Roubaix Pro in 56 places the top of the head tube 14 mm higher and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm shorter, which can contribute to quicker direction changes.

Frame stack
+14 mm
Higher front end
Frame reach
+7 mm
Longer frame reach
Wheelbase
−13 mm
Shorter: quicker to change direction
Head angle
+1.6°
Steeper: sharper steering
Chainstays
−5 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 Pro 56Difference
Reach377384mm+7 mm
Stack591605mm+14 mm
Head tube angle71.9°73.5°+1.6°
Effective top tube554not listed
Chainstay length420415mm−5 mm
Wheelbase1008995mm−13 mm
BB drop7876mm−2 mm
Standover776783mm+7 mm
Seat tube length525485mm−40 mm
Head tube length175143mm−32 mm
Seat tube anglenot listed73.5°
BB heightnot listed266mm
Fork lengthnot listed370mm

Differences are the Specialized Roubaix Pro minus the Trek Domane SL. Full charts: 2019 Trek Domane SL, 2021 Specialized Roubaix Pro.

Where each sits in its class

Trek Domane SLSpecialized Roubaix 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 Domane SLSL 5Specialized Roubaix ProPro
FrameTrek OCLVnot listed
ForkTrek DomaneSpecialized Future Shock 2.0
ShifterShimano 105SRAM Force eTap AXS
DerailleurShimano 105SRAM Force eTAP AXS
CassetteShimano 105SRAM Force
ChainShimano 105SRAM Force
CranksetShimano 105SRAM FC Force DUB
Bottom bracketTrek BB90SRAM DUB
TireBontrager R1 Hard-Case LiteSpecialized S-Works Turbo
RimBontrager Affinitynot listed
BrakeShimano 105SRAM Force eTAP
HandlebarBontrager Comp VR-Cnot listed
SeatpostBontrager Tuned seatmast capSpecialized S-Works Pave
SaddleBontrager ArvadaSpecialized Power
Wheelsetnot listedRoval Alpinist CL
Stemnot listedSpecialized Future

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