Quiver

2016 Specialized Roubaix SL4 Sport vs 2015 Specialized Secteur Double

The Specialized Secteur Double size closest to your 54.0 is the 54. Compare the 54 instead

What changes on the Specialized Secteur Double

Compared with the Specialized Roubaix SL4 Sport in 54.0, 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

2016 Specialized Roubaix SL4 Sport (54.0) and 2015 Specialized Secteur Double (58), 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 1000

Specialized Roubaix SL4 Sport, 54.0Specialized Secteur Double, 58Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Roubaix SL4 Sport 54.0Specialized Secteur Double 58Difference
Reach380391mm+11 mm
Stack564622mm+58 mm
Head tube angle7272.5°+0.5°
Seat tube angle73.573°−0.5°
Effective top tube547582mm+35 mm
Chainstay length415418mm+3 mm
Wheelbase10001029mm+29 mm
BB drop71.570mm−2 mm
BB height271not listed
Standover776829mm+53 mm
Seat tube length495510mm+15 mm
Fork length368not listed
Head tube length165225mm+60 mm

Differences are the Specialized Secteur Double minus the Specialized Roubaix SL4 Sport. Full charts: 2016 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
ForkSpecialized FACT carbonSpecialized FACT
ShifterShimano 105 STIShimano Claris R2400
DerailleurShimano 105Shimano Claris R2400
CassetteShimano 105SunRace CS-8SP
ChainShimano 105KMC Z51
CranksetFSA Gossamer ProShimano Claris
WheelsetSpecialized AXIS 2.0Specialized AXIS Classic
TireSpecialized Espoir EliteSpecialized Espoir Sport
BrakeSpecialized Axis 1.0Tektro caliper
HandlebarSpecialized Compnot listed
StemSpecialized Comp MultiSpecialized 3D-forged
Bar tapeSpecialized RoubaixSpecialized Roubaix
SeatpostSpecialized CG-Rnot listed
SaddleSpecialized PhenomSpecialized Toupé Sport
Chainringnot listedShimano 50/34
Pedalsnot listedSpecialized nylon flat

Know what is on every bike.

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