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

Only the Specialized Roubaix 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 54Cannondale Synapse Hi-MOD Disc 51Difference
Reach376377+1 mm
Stack585550−35 mm
Head tube angle72.7571.7−1.0°
Seat tube angle7474.3+0.3°
Chainstay length415mmnot listed
Wheelbase988994+6 mm
BB drop76not listed
BB height266not listed
Standover762742−20 mm
Seat tube length465443−22 mm
Fork length370not listed
Head tube length125137+12 mm
Effective top tubenot listed531

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

Where each sits in its class

Specialized RoubaixCannondale 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 RoubaixRoubaixCannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
FrameSpecialized FACT 10RCannondale Synapse
ForkSpecialized Future Shock 1.5Synapse
ShifterShimano TiagraShimano Dura-Ace R9120 hydro
DerailleurShimano TiagraShimano Dura-Ace R9100
CassetteShimano TiagraShimano Ultegra R6800
ChainKMC X10Shimano HG701
CranksetPraxis AlbaCannondale HollowGram Si
ChainringPraxis Albanot listed
WheelsetSpecialized Axis SportCannondale HollowGram
TireSpecialized Espoir Sportnot listed
BrakeShimano TiagraShimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
HandlebarSpecialized HoverCannondale C1 Ultralight
StemSpecialized 3D-forgedCannondale SAVE
SeatpostSpecialized S-Works PaveCannondale SAVE
SaddleSpecialized Power SportFabric Scoop
Headsetnot listedSynapse Si

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