Quiver

2017 Specialized Roubaix SL4 Sport vs 2015 Specialized Secteur Double

The 52 is the Specialized Secteur Double size closest to your 52 Specialized Roubaix SL4 Sport. 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 Specialized Secteur Double

Compared with the Specialized Roubaix SL4 Sport in 52, the Specialized Secteur Double in 52 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.

Frame stack
±0 mm
About the same height
Frame reach
−1 mm
About the same reach
Wheelbase
−1 mm
About the same
Head angle
±0.0°
About the same head angle
Chainstays
±0 mm
About the same

The two frames

2017 Specialized Roubaix SL4 Sport (52) and 2015 Specialized Secteur Double (52), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix SL4 Sport is drawn in full with its measurements, and the Specialized Secteur Double is the colored outline on top.J 990

Specialized Roubaix SL4 Sport, 52Specialized Secteur Double, 52Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Roubaix SL4 Sport 52Specialized Secteur Double 52Difference
Reach379mm378mm−1 mm
Stack547mm547mm±0 mm
Head tube angle72°72°±0.0°
Seat tube angle74°74°±0.0°
Effective top tube536mm537mm+1 mm
Chainstay length412mm412mm±0 mm
Wheelbase990mm989mm−1 mm
BB drop73mm73mm±0 mm
BB height269.5mmnot listed
Standover756mm756mm±0 mm
Seat tube length475mm447mm−28 mm
Fork length368mmnot listed
Head tube length145mm145mm±0 mm

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

Where each sits in its class

Specialized Roubaix SL4 SportSpecialized 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 SportSL4 SportSpecialized Secteur DoubleDouble
FrameSpecialized SL4 FACTSpecialized A1 Premium Aluminum
ShifterShimano 105Shimano Claris R2400
DerailleurShimano 105Shimano Claris R2400
CassetteShimano 105SunRace CS-8SP
ChainKMC X-11KMC Z51
CranksetPraxis AlbaShimano Claris
WheelsetSpecialized AXIS EliteSpecialized AXIS Classic
TireSpecialized Turbo ProSpecialized Espoir Sport
BrakeSpecialized Axis 1.0Tektro 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

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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