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2017 Specialized Roubaix SL4 Comp 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 Comp in 54, the Cannondale Synapse Hi-MOD Disc in 56 places the top of the head tube 26 mm higher and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.

Frame stack
+26 mm
Higher front end
Frame reach
+6 mm
Longer frame reach
Wheelbase
−5 mm
Shorter: quicker to change direction
Head angle
+1.0°
Steeper: sharper steering
Chainstays
n/a
One of the bikes has no number for this

The two frames

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

Only the Specialized Roubaix SL4 Comp 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 SL4 Comp 54Cannondale Synapse Hi-MOD Disc 56Difference
Reach380mm386+6 mm
Stack564mm590+26 mm
Head tube angle72°73+1.0°
Seat tube angle73.5°73.5±0.0°
Effective top tube547mm561+14 mm
Chainstay length415mmnot listed
Wheelbase1000mm995−5 mm
BB drop71.5mm73+2 mm
BB height271mm272+1 mm
Standover776mm804+28 mm
Seat tube length495mm520+25 mm
Fork length368mmnot listed
Head tube length165mm173+8 mm

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

Where each sits in its class

Specialized Roubaix SL4 CompCannondale 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 SL4 CompSL4 Comp Di2Cannondale Synapse Hi-MOD DiscHi-MOD Disc Dura-Ace
FrameSpecialized SL4 FACTCannondale Synapse
ShifterShimano Ultegra Di2Shimano Dura-Ace R9120 hydro
DerailleurShimano Ultegra R6870 Di2, Shimano Ultegra Di2Shimano Dura-Ace R9100
CassetteShimano 105Shimano Ultegra R6800
ChainKMC X-11Shimano HG701
CranksetPraxis ZayanteCannondale HollowGram Si
WheelsetSpecialized AXIS EliteCannondale HollowGram
TireSpecialized Turbo Pronot listed
BrakeShimano 105Shimano Dura-Ace R9170, Shimano Dura-Ace R9120 hydro
SeatpostSpecialized CG-RCannondale SAVE
SaddleSpecialized Phenom Comp GTFabric Scoop
Forknot listedSynapse
Handlebarnot listedCannondale C1 Ultralight
Stemnot listedCannondale SAVE
Headsetnot listedSynapse Si

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