Quiver

2018 Cannondale Synapse Hi-MOD Disc vs 2016 Specialized Roubaix SL4 Expert Disc UDi2

The 54.0 is the Specialized Roubaix SL4 Expert Disc UDi2 size closest to your 54 Cannondale Synapse Hi-MOD Disc. 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 Expert Disc UDi2

Compared with the Cannondale Synapse Hi-MOD Disc in 54, the Specialized Roubaix SL4 Expert Disc UDi2 in 54.0 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
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Cannondale Synapse Hi-MOD Disc numbers we have for size 54 are missing the chainstay length. The numbers below still compare.

Geometry side by side

MeasurementCannondale Synapse Hi-MOD Disc 54Specialized Roubaix SL4 Expert Disc UDi2 54.0Difference
Reach382380−2 mm
Stack570564−6 mm
Head tube angle71.772+0.3°
Seat tube angle73.973.5−0.4°
Effective top tube547547±0 mm
Wheelbase10081000−8 mm
BB drop7371.5−2 mm
BB height272271−1 mm
Standover773776+3 mm
Seat tube length480495+15 mm
Head tube length161165+4 mm
Chainstay lengthnot listed415
Fork lengthnot listed368

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

Where each sits in its class

Cannondale Synapse Hi-MOD 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 Hi-MOD DiscHi-MOD Disc Dura-AceSpecialized Roubaix SL4 Expert Disc UDi2SL4 Expert Disc UDi2
FrameCannondale SynapseSpecialized SL4 FACT
ForkSynapseSpecialized FACT carbon
ShifterShimano Dura-Ace R9120 hydroShimano 785 Di2
DerailleurShimano Dura-Ace R9100Shimano Ultegra Di2
CassetteShimano Ultegra R6800Shimano Ultegra
ChainShimano HG701Shimano Ultegra
CranksetCannondale HollowGram SiShimano Ultegra
WheelsetCannondale HollowGramFulcrum S-19
BrakeShimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydroShimano BR-785
HandlebarCannondale C1 UltralightSpecialized Expert
StemCannondale SAVESpecialized Pro SL
HeadsetSynapse Sinot listed
SeatpostCannondale SAVESpecialized CG-R
SaddleFabric ScoopSpecialized Phenom Expert
Tirenot listedSpecialized Turbo Pro
Bar tapenot listedSpecialized CX Pro

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