Quiver

2019 Cannondale Synapse Disc Women’s Sora vs 2017 Specialized Roubaix SL4

The 54 is the Specialized Roubaix SL4 size closest to your 54 Cannondale Synapse Disc Women’s Sora. 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 Roubaix SL4

Compared with the Cannondale Synapse Disc Women’s Sora in 54, the Specialized Roubaix SL4 in 54 places the top of the head tube 6 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 8 mm shorter, which can contribute to quicker direction changes.

Frame stack
−6 mm
Lower front end
Frame reach
−2 mm
About the same reach
Wheelbase
−8 mm
Shorter: quicker to change direction
Head angle
+0.3°
About the same head angle
Chainstays
+2 mm
About the same

The two frames

2019 Cannondale Synapse Disc Women’s Sora (54) and 2017 Specialized Roubaix SL4 (54), lined up at the bottom bracketBoth frames drawn to scale. The Cannondale Synapse Disc Women’s Sora is drawn in full with its measurements, and the Specialized Roubaix SL4 is the colored outline on top.J 1008

Cannondale Synapse Disc Women’s Sora, 54Specialized Roubaix SL4, 54Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementCannondale Synapse Disc Women’s Sora 54Specialized Roubaix SL4 54Difference
Reach382380mm−2 mm
Stack570564mm−6 mm
Head tube angle71.772°+0.3°
Seat tube angle73.973.5°−0.4°
Effective top tube547547mm±0 mm
Chainstay length413415mm+2 mm
Wheelbase10081000mm−8 mm
BB drop7371.5mm−2 mm
BB height272271mm−1 mm
Standover773776mm+3 mm
Seat tube length480495mm+15 mm
Head tube length159165mm+6 mm
Fork lengthnot listed368mm

Differences are the Specialized Roubaix SL4 minus the Cannondale Synapse Disc Women’s Sora. Full charts: 2019 Cannondale Synapse Disc Women’s Sora, 2017 Specialized Roubaix SL4.

Where each sits in its class

Cannondale Synapse Disc Women’s SoraSpecialized Roubaix SL4

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.

PartCannondale Synapse Disc Women’s SoraDisc Women’s SoraSpecialized Roubaix SL4SL4
FrameCannondale SynapseSpecialized SL4 FACT
ForkSynapsenot listed
ShifterShimano SoraShimano Tiagra
DerailleurShimano Sora, Shimano Sora GSShimano Tiagra
ChainKMC Z9KMC X-10
CranksetFSA VeroPraxis Alba
TireVittoria ZaffiroSpecialized Espoir Elite
RimRDnot listed
BrakePromax DSK 718R, Shimano SoraSpecialized Axis 1.0
HandlebarCannondale C4not listed
StemCannondale C4not listed
SeatpostCannondale C4Specialized CG-R
SaddleCannondale StageSpecialized Toupé Sport
Cassettenot listedShimano Tiagra
Wheelsetnot listedSpecialized AXIS Elite

Know what is on every bike.

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

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet