Quiver

2018 Specialized Roubaix Expert vs 2019 Trek Domane SLR Frameset

The 50 is the Trek Domane SLR Frameset size closest to your 49 Specialized Roubaix Expert. 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 Domane SLR Frameset

Compared with the Specialized Roubaix Expert in 49, the Trek Domane SLR Frameset in 50 places the top of the head tube 3 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 15 mm longer, which can contribute to stability at speed.

Frame stack
−3 mm
Lower front end
Frame reach
−1 mm
About the same reach
Wheelbase
+15 mm
Longer: steadier at speed
Head angle
−0.9°
Slacker: calmer steering
Chainstays
+7 mm
Longer: more planted

The two frames

2018 Specialized Roubaix Expert (49)The Specialized Roubaix Expert frame drawn to scale.J 981

Only the Specialized Roubaix Expert is drawn. The Trek Domane SLR Frameset numbers we have for size 50 are missing the seat angle.

Geometry side by side

MeasurementSpecialized Roubaix Expert 49Trek Domane SLR Frameset 50Difference
Reach369mm368−1 mm
Stack549mm546−3 mm
Head tube angle72°71.1°−0.9°
Seat tube angle74°not listed
Effective top tube527mm519−8 mm
Chainstay length413mm420+7 mm
Wheelbase981mm996+15 mm
BB drop77.5mm80+3 mm
Standover715.5mm716+1 mm
Seat tube length425mm450+25 mm
Head tube length90mm130+40 mm

Differences are the Trek Domane SLR Frameset minus the Specialized Roubaix Expert. Full charts: 2018 Specialized Roubaix Expert, 2019 Trek Domane SLR Frameset.

Where each sits in its class

Specialized Roubaix ExpertTrek Domane SLR Frameset

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 ExpertExpertTrek Domane SLR FramesetSLR Frameset
ShifterShimano Ultegra R8020not listed
DerailleurShimano Ultegra R8000not listed
CassetteShimano Ultegra R8000not listed
ChainShimano Ultegranot listed
CranksetShimano Ultegra R8000not listed
Bottom bracketShimano Ultegranot listed
WheelsetRoval SLX 24not listed
TireSpecialized Turbo Pronot listed
BrakeShimano Ultegra R8020not listed
HandlebarSpecialized Expert Hovernot listed
SeatpostSpecialized CG-Rnot listed
SaddleSpecialized Phenom Expertnot listed
Framenot listedTrek OCLV
Forknot listedTrek Domane

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