Quiver

2020 Specialized Roubaix Expert vs 2018 Cannondale Synapse Hi-MOD Disc

The Cannondale Synapse Hi-MOD Disc size closest to your 54 is the 56. Compare the 56 instead

What changes on the Cannondale Synapse Hi-MOD Disc

Compared with the Specialized Roubaix Expert in 54, the Cannondale Synapse Hi-MOD Disc in 51 places the top of the head tube 35 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.

Frame stack
−35 mm
Lower front end
Frame reach
+1 mm
About the same reach
Wheelbase
+6 mm
Longer: steadier at speed
Head angle
−1.0°
Slacker: calmer steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

2020 Specialized Roubaix Expert (54)The Specialized Roubaix Expert frame drawn to scale.J 988

Only the Specialized Roubaix Expert 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 Expert 54Cannondale Synapse Hi-MOD Disc 51Difference
Reach376mm377+1 mm
Stack585mm550−35 mm
Head tube angle72.75°71.7−1.0°
Seat tube angle74°74.3+0.3°
Chainstay length415mmnot listed
Wheelbase988mm994+6 mm
BB drop76mmnot listed
BB height266mmnot listed
Standover762mm742−20 mm
Seat tube length465mm443−22 mm
Fork length370mmnot listed
Head tube length125mm137+12 mm
Effective top tubenot listed531

Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix Expert. Full charts: 2020 Specialized Roubaix Expert, 2018 Cannondale Synapse Hi-MOD Disc.

Where each sits in its class

Specialized Roubaix ExpertCannondale 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 ExpertExpertCannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
ForkSpecialized Future Shock 2.0Synapse
ShifterShimano Ultegra Di2Shimano Dura-Ace R9120 hydro
DerailleurShimano Ultegra R8050 Di2, Shimano Ultegra RXShimano Dura-Ace R9100
CassetteShimano UltegraShimano Ultegra R6800
ChainShimano UltegraShimano HG701
CranksetShimano Ultegra R8000Cannondale HollowGram Si
Bottom bracketShimano Ultegranot listed
WheelsetRoval C38Cannondale HollowGram
TireSpecialized Turbo Pronot listed
BrakeShimano UltegraShimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
HandlebarSpecialized Hover ExpertCannondale C1 Ultralight
StemSpecialized FutureCannondale SAVE
SeatpostSpecialized S-Works PaveCannondale SAVE
SaddleSpecialized Power ExpertFabric Scoop
Framenot listedCannondale Synapse
Headsetnot listedSynapse Si

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