Quiver

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

The 51 is the Cannondale Synapse Hi-MOD Disc size closest to your 49 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 49, the Cannondale Synapse Hi-MOD Disc in 51 places the top of the head tube 5 mm lower and 14 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm longer, which can contribute to stability at speed.

Frame stack
−5 mm
Lower front end
Frame reach
+14 mm
Longer frame reach
Wheelbase
+12 mm
Longer: steadier at speed
Head angle
+0.2°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

2020 Specialized Roubaix Pro (49)The Specialized Roubaix Pro frame drawn to scale.J 982

Only the Specialized Roubaix Pro 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 Pro 49Cannondale Synapse Hi-MOD Disc 51Difference
Reach363mm377+14 mm
Stack555mm550−5 mm
Head tube angle71.5°71.7+0.2°
Seat tube angle74°74.3+0.3°
Chainstay length413mmnot listed
Wheelbase982mm994+12 mm
BB drop77.5mmnot listed
BB height265mmnot listed
Standover715mm742+27 mm
Seat tube length410mm443+33 mm
Fork length370mmnot listed
Head tube length100mm137+37 mm
Effective top tubenot listed531

Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix Pro. Full charts: 2020 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
ForkSpecialized Future Shock 2.0Synapse
ShifterSRAM Force eTap AXSShimano Dura-Ace R9120 hydro
DerailleurSRAM Force eTAP AXSShimano Dura-Ace R9100
CassetteSRAM XG-1270Shimano Ultegra R6800
ChainSRAM ForceShimano HG701
CranksetSRAM FC Force DUBCannondale HollowGram Si
Bottom bracketSRAM DUBnot listed
WheelsetRoval CL 32Cannondale HollowGram
TireSpecialized Turbo Pronot listed
BrakeSRAM Force eTAPShimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
StemSpecialized FutureCannondale SAVE
SeatpostSpecialized S-Works PaveCannondale SAVE
SaddleSpecialized PowerFabric Scoop
Framenot listedCannondale Synapse
Handlebarnot listedCannondale C1 Ultralight
Headsetnot listedSynapse Si

Know what is on every bike.

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