Quiver

2018 Specialized Roubaix Pro vs 2018 Cannondale Synapse Hi-MOD Disc

The 56 is the Cannondale Synapse Hi-MOD Disc size closest to your 54 Specialized Roubaix Pro. 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 Pro in 54, the Cannondale Synapse Hi-MOD Disc in 56 places the top of the head tube 5 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.

Frame stack
+5 mm
Higher front end
Frame reach
+11 mm
Longer frame reach
Wheelbase
+8 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

2018 Specialized Roubaix Pro (54)The Specialized Roubaix Pro frame drawn to scale.J 987

Only the Specialized Roubaix Pro is drawn. The Cannondale Synapse Hi-MOD Disc numbers we have for size 56 are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Roubaix Pro 54Cannondale Synapse Hi-MOD Disc 56Difference
Reach375mm386+11 mm
Stack585mm590+5 mm
Head tube angle72.75°73+0.3°
Seat tube angle74°73.5−0.5°
Effective top tube545mm561+16 mm
Chainstay length415mmnot listed
Wheelbase987mm995+8 mm
BB drop76mm73−3 mm
Standover762mm804+42 mm
Seat tube length481mm520+39 mm
Head tube length125mm173+48 mm
BB heightnot listed272

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

Where each sits in its class

Specialized Roubaix ProCannondale 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 ProProCannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
ShifterShimano Dura-Ace R9120Shimano Dura-Ace R9120 hydro
DerailleurShimano Dura-Ace R9100Shimano Dura-Ace R9100
CassetteShimano Ultegra R8000Shimano Ultegra R6800
ChainShimano UltegraShimano HG701
Bottom bracketPraxis 6806not listed
WheelsetRoval CL 32Cannondale HollowGram
TireSpecialized S-Works Turbonot listed
BrakeShimano Dura-Ace R9120Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
SeatpostSpecialized CG-RCannondale SAVE
SaddleSpecialized Phenom ExpertFabric Scoop
Framenot listedCannondale Synapse
Forknot listedSynapse
Cranksetnot listedCannondale HollowGram Si
Handlebarnot listedCannondale C1 Ultralight
Stemnot listedCannondale SAVE
Headsetnot listedSynapse Si

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