Quiver

2018 Cannondale Synapse Carbon Disc vs 2016 Specialized Roubaix SL4 Expert Disc UDi2

We can't match sizes for these two: one of them has no stack and reach for the sizes shown.

What changes on the Specialized Roubaix SL4 Expert Disc UDi2

Frame stack
n/a
One of the bikes has no number for this
Frame reach
n/a
One of the bikes has no number for this
Wheelbase
n/a
One of the bikes has no number for this
Head angle
n/a
One of the bikes has no number for this
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Cannondale Synapse Carbon Disc numbers we have for size 48 are missing the reach, stack, head angle, seat angle, chainstay length and wheelbase. The numbers below still compare.

Geometry side by side

MeasurementCannondale Synapse Carbon Disc 48Specialized Roubaix SL4 Expert Disc UDi2 56.0Difference
Reachnot listed387
Stacknot listed590
Head tube anglenot listed72.5
Seat tube anglenot listed73.25
Effective top tubenot listed565
Wheelbasenot listed1011
BB dropnot listed71.5
BB heightnot listed271
Standovernot listed798
Seat tube length407515+108 mm
Head tube length122190+68 mm
Chainstay lengthnot listed415
Fork lengthnot listed368

Differences are the Specialized Roubaix SL4 Expert Disc UDi2 minus the Cannondale Synapse Carbon Disc. Full charts: 2018 Cannondale Synapse Carbon Disc, 2016 Specialized Roubaix SL4 Expert Disc UDi2.

Where each sits in its class

Cannondale Synapse Carbon DiscSpecialized Roubaix SL4 Expert Disc UDi2

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 Carbon DiscCarbon Disc 105Specialized Roubaix SL4 Expert Disc UDi2SL4 Expert Disc UDi2
FrameCannondale SynapseSpecialized SL4 FACT
ForkSynapseSpecialized FACT carbon
ShifterShimano RS505 hydroShimano 785 Di2
DerailleurShimano 105, Shimano 105 GSShimano Ultegra Di2
CassetteShimano 105Shimano Ultegra
ChainShimano HG601Shimano Ultegra
CranksetCannondale SiShimano Ultegra
TireSchwalbe LuganoSpecialized Turbo Pro
HubFormula CX20not listed
RimRD 2.0not listed
BrakeShimano RS505 hydroShimano BR-785
HandlebarCannondale C3Specialized Expert
StemCannondale C3Specialized Pro SL
Bar tapeCannondale TapeSpecialized CX Pro
HeadsetSynapse Sinot listed
SeatpostCannondale C3Specialized CG-R
SaddleSelle Royal Seta S1Specialized Phenom Expert
Wheelsetnot listedFulcrum S-19

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