Quiver

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

The 51 is the Cannondale Synapse Hi-MOD Disc size closest to your 52.0 Specialized Roubaix SL4 Comp. 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 Comp in 52.0, the Cannondale Synapse Hi-MOD Disc in 51 places the top of the head tube 3 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.

Frame stack
+3 mm
Higher front end
Frame reach
−2 mm
About the same reach
Wheelbase
+4 mm
Longer: steadier at speed
Head angle
−0.3°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

2016 Specialized Roubaix SL4 Comp (52.0)The Specialized Roubaix SL4 Comp frame drawn to scale.J 990

Only the Specialized Roubaix SL4 Comp is drawn. The Cannondale Synapse Hi-MOD Disc numbers we have for size 51 are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Roubaix SL4 Comp 52.0Cannondale Synapse Hi-MOD Disc 51Difference
Reach379377−2 mm
Stack547550+3 mm
Head tube angle7271.7−0.3°
Seat tube angle7474.3+0.3°
Effective top tube536531−5 mm
Chainstay length412not listed
Wheelbase990994+4 mm
BB drop73not listed
BB height269.5not listed
Standover756742−14 mm
Seat tube length475443−32 mm
Fork length368not listed
Head tube length145137−8 mm

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

Where each sits in its class

Specialized Roubaix SL4 CompCannondale 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 CompSL4 CompCannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
FrameSpecialized SL4 FACTCannondale Synapse
ForkSpecialized FACT carbonSynapse
ShifterShimano UltegraShimano Dura-Ace R9120 hydro
DerailleurShimano UltegraShimano Dura-Ace R9100
CassetteShimano 105Shimano Ultegra R6800
ChainShimano 105Shimano HG701
CranksetPraxis TURN ZayanteCannondale HollowGram Si
WheelsetFulcrum S-19Cannondale HollowGram
TireSpecialized Turbo Pronot listed
BrakeShimano 105Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
HandlebarSpecialized CompCannondale C1 Ultralight
StemSpecialized Comp MultiCannondale SAVE
Bar tapeSpecialized Roubaixnot listed
SeatpostSpecialized CG-RCannondale SAVE
SaddleSpecialized PhenomFabric Scoop
Headsetnot listedSynapse Si

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