Quiver

2015 Specialized Roubaix SL4 vs 2015 Specialized Secteur Double

The 56 is the Specialized Secteur Double size closest to your 56 Specialized Roubaix SL4. 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 in 56, the Specialized Secteur Double in 56 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.

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

The two frames

2015 Specialized Roubaix SL4 (56) and 2015 Specialized Secteur Double (56), lined up at the bottom bracketBoth frames drawn to scale. The Specialized Roubaix SL4 is drawn in full with its measurements, and the Specialized Secteur Double is the colored outline on top.J 1010

Specialized Roubaix SL4, 56Specialized Secteur Double, 56Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSpecialized Roubaix SL4 56Specialized Secteur Double 56Difference
Reach387mm387mm±0 mm
Stack589mm590mm+1 mm
Head tube angle72.5°72.5°±0.0°
Seat tube angle73.25°73.25°±0.0°
Effective top tube565mm565mm±0 mm
Chainstay length415mm415mm±0 mm
Wheelbase1010mm1010mm±0 mm
BB drop71.5mm71.5mm±0 mm
Standover798mm798mm±0 mm
Seat tube length515mm485mm−30 mm
Head tube length190mm190mm±0 mm

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

Where each sits in its class

Specialized Roubaix SL4Specialized 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 SL4S-Works SL4Specialized Secteur DoubleDouble
FrameSpecialized S-Works SL4 FACTSpecialized A1 Premium Aluminum
SeatpostSpecialized CG-Rnot listed
Forknot listedSpecialized FACT
Shifternot listedShimano Claris R2400
Derailleurnot listedShimano Claris R2400
Cassettenot listedSunRace CS-8SP
Chainnot listedKMC Z51
Cranksetnot listedShimano Claris
Chainringnot listedShimano 50/34
Pedalsnot listedSpecialized nylon flat
Wheelsetnot listedSpecialized AXIS Classic
Tirenot listedSpecialized Espoir Sport
Brakenot listedTektro caliper
Stemnot listedSpecialized 3D-forged
Bar tapenot listedSpecialized Roubaix
Saddlenot listedSpecialized Toupé Sport

Know what is on every bike.

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