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

The 58 is the Cannondale Synapse Hi-MOD Disc size closest to your 58.0 Specialized Roubaix SL4 Expert Disc UDi2. 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 Cannondale Synapse Hi-MOD Disc

Compared with the Specialized Roubaix SL4 Expert Disc UDi2 in 58.0, the Cannondale Synapse Hi-MOD Disc in 58 places the top of the head tube 12 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 20 mm shorter, which can contribute to quicker direction changes.

Frame stack
−12 mm
Lower front end
Frame reach
+1 mm
About the same reach
Wheelbase
−20 mm
Shorter: quicker to change direction
Head angle
+0.5°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2016 Specialized Roubaix SL4 Expert Disc UDi2 (58.0)The Specialized Roubaix SL4 Expert Disc UDi2 frame drawn to scale.J 1029

Only the Specialized Roubaix SL4 Expert Disc UDi2 is drawn. The Cannondale Synapse Hi-MOD Disc numbers we have for size 58 are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Roubaix SL4 Expert Disc UDi2 58.0Cannondale Synapse Hi-MOD Disc 58Difference
Reach392393+1 mm
Stack622610−12 mm
Head tube angle72.573+0.5°
Seat tube angle7373±0.0°
Effective top tube582579−3 mm
Chainstay length418not listed
Wheelbase10291009−20 mm
BB drop7070±0 mm
BB height272.5275+3 mm
Standover829833+4 mm
Seat tube length540550+10 mm
Fork length368not listed
Head tube length225197−28 mm

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

Where each sits in its class

Specialized Roubaix SL4 Expert Disc UDi2Cannondale Synapse Hi-MOD Disc

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 Expert Disc UDi2SL4 Expert Disc UDi2Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
FrameSpecialized SL4 FACTCannondale Synapse
ForkSpecialized FACT carbonSynapse
ShifterShimano 785 Di2Shimano Dura-Ace R9120 hydro
DerailleurShimano Ultegra Di2Shimano Dura-Ace R9100
CassetteShimano UltegraShimano Ultegra R6800
ChainShimano UltegraShimano HG701
CranksetShimano UltegraCannondale HollowGram Si
WheelsetFulcrum S-19Cannondale HollowGram
TireSpecialized Turbo Pronot listed
BrakeShimano BR-785Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
HandlebarSpecialized ExpertCannondale C1 Ultralight
StemSpecialized Pro SLCannondale SAVE
Bar tapeSpecialized CX Pronot listed
SeatpostSpecialized CG-RCannondale SAVE
SaddleSpecialized Phenom ExpertFabric Scoop
Headsetnot listedSynapse Si

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