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2017 Specialized Roubaix SL4 vs 2018 Cannondale Synapse Hi-MOD Disc

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

What changes on the Cannondale Synapse Hi-MOD Disc

Compared with the Specialized Roubaix SL4 in 54, the Cannondale Synapse Hi-MOD Disc in 51 places the top of the head tube 14 mm lower and 3 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm shorter, which can contribute to quicker direction changes.

Frame stack
−14 mm
Lower front end
Frame reach
−3 mm
Shorter frame reach
Wheelbase
−6 mm
Shorter: quicker to change direction
Head angle
−0.3°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

2017 Specialized Roubaix SL4 (54)The Specialized Roubaix SL4 frame drawn to scale.J 1000

Only the Specialized Roubaix SL4 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 54Cannondale Synapse Hi-MOD Disc 51Difference
Reach380mm377−3 mm
Stack564mm550−14 mm
Head tube angle72°71.7−0.3°
Seat tube angle73.5°74.3+0.8°
Effective top tube547mm531−16 mm
Chainstay length415mmnot listed
Wheelbase1000mm994−6 mm
BB drop71.5mmnot listed
BB height271mmnot listed
Standover776mm742−34 mm
Seat tube length495mm443−52 mm
Fork length368mmnot listed
Head tube length165mm137−28 mm

Differences are the Cannondale Synapse Hi-MOD Disc minus the Specialized Roubaix SL4. Full charts: 2017 Specialized Roubaix SL4, 2018 Cannondale Synapse Hi-MOD Disc.

Where each sits in its class

Specialized Roubaix SL4Cannondale 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 SL4SL4Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
FrameSpecialized SL4 FACTCannondale Synapse
ShifterShimano TiagraShimano Dura-Ace R9120 hydro
DerailleurShimano TiagraShimano Dura-Ace R9100
CassetteShimano TiagraShimano Ultegra R6800
ChainKMC X-10Shimano HG701
CranksetPraxis AlbaCannondale HollowGram Si
WheelsetSpecialized AXIS EliteCannondale HollowGram
TireSpecialized Espoir Elitenot listed
BrakeSpecialized Axis 1.0Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
SeatpostSpecialized CG-RCannondale SAVE
SaddleSpecialized Toupé SportFabric Scoop
Forknot listedSynapse
Handlebarnot listedCannondale C1 Ultralight
Stemnot listedCannondale SAVE
Headsetnot listedSynapse Si

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