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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 58 places the top of the head tube 46 mm higher and 13 mm further forward, relative to the bottom bracket. Its wheelbase is 9 mm longer, which can contribute to stability at speed.

Frame stack
+46 mm
Higher front end
Frame reach
+13 mm
Longer frame reach
Wheelbase
+9 mm
Longer: steadier at speed
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 58 are missing the chainstay length.

Geometry side by side

MeasurementSpecialized Roubaix SL4 Comp 54Cannondale Synapse Hi-MOD Disc 58Difference
Reach380mm393+13 mm
Stack564mm610+46 mm
Head tube angle72°73+1.0°
Seat tube angle73.5°73−0.5°
Effective top tube547mm579+32 mm
Chainstay length415mmnot listed
Wheelbase1000mm1009+9 mm
BB drop71.5mm70−2 mm
BB height271mm275+4 mm
Standover776mm833+57 mm
Seat tube length495mm550+55 mm
Fork length368mmnot listed
Head tube length165mm197+32 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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