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2017 Specialized Roubaix SL4 Comp vs 2015 Specialized Secteur Double

The Specialized Secteur Double size closest to your 54 is the 54. Compare the 54 instead

What changes on the Specialized Secteur Double

Compared with the Specialized Roubaix SL4 Comp in 54, the Specialized Secteur Double in 58 places the top of the head tube 58 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 29 mm longer, which can contribute to stability at speed.

Frame stack
+58 mm
Higher front end
Frame reach
+11 mm
Longer frame reach
Wheelbase
+29 mm
Longer: steadier at speed
Head angle
+0.5°
Steeper: sharper steering
Chainstays
+3 mm
Longer: more planted

The two frames

2017 Specialized Roubaix SL4 Comp (54) and 2015 Specialized Secteur Double (58), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix SL4 Comp is drawn in full with its measurements, and the Specialized Secteur Double is the colored outline on top.J 1000

Specialized Roubaix SL4 Comp, 54Specialized Secteur Double, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Roubaix SL4 Comp 54Specialized Secteur Double 58Difference
Reach380mm391mm+11 mm
Stack564mm622mm+58 mm
Head tube angle72°72.5°+0.5°
Seat tube angle73.5°73°−0.5°
Effective top tube547mm582mm+35 mm
Chainstay length415mm418mm+3 mm
Wheelbase1000mm1029mm+29 mm
BB drop71.5mm70mm−2 mm
BB height271mmnot listed
Standover776mm829mm+53 mm
Seat tube length495mm510mm+15 mm
Fork length368mmnot listed
Head tube length165mm225mm+60 mm

Differences are the Specialized Secteur Double minus the Specialized Roubaix SL4 Comp. Full charts: 2017 Specialized Roubaix SL4 Comp, 2015 Specialized Secteur Double.

Where each sits in its class

Specialized Roubaix SL4 CompSpecialized Secteur Double

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 SL4 CompSL4 Comp Di2Specialized Secteur DoubleDouble
FrameSpecialized SL4 FACTSpecialized A1 Premium Aluminum
ShifterShimano Ultegra Di2Shimano Claris R2400
DerailleurShimano Ultegra R6870 Di2, Shimano Ultegra Di2Shimano Claris R2400
CassetteShimano 105SunRace CS-8SP
ChainKMC X-11KMC Z51
CranksetPraxis ZayanteShimano Claris
WheelsetSpecialized AXIS EliteSpecialized AXIS Classic
TireSpecialized Turbo ProSpecialized Espoir Sport
BrakeShimano 105Tektro caliper
SeatpostSpecialized CG-Rnot listed
SaddleSpecialized Phenom Comp GTSpecialized Toupé Sport
Forknot listedSpecialized FACT
Chainringnot listedShimano 50/34
Pedalsnot listedSpecialized nylon flat
Stemnot listedSpecialized 3D-forged
Bar tapenot listedSpecialized Roubaix

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