2018 Cannondale Synapse Carbon Disc eTap vs 2016 Specialized Roubaix SL4 Expert Disc UDi2

What changes on the Specialized Roubaix SL4 Expert Disc UDi2

Compared with the Cannondale Synapse Carbon Disc eTap in 54, the Specialized Roubaix SL4 Expert Disc UDi2 in 58.0 places the top of the head tube 52 mm higher and 10 mm further forward, relative to the bottom bracket. Its wheelbase is 21 mm longer, which can contribute to stability at speed.

Frame stack

+52 mm

Higher front end

Frame reach

+10 mm

Longer frame reach

Wheelbase

+21 mm

Longer: steadier at speed

Head angle

+0.8°

Steeper: sharper steering

Chainstays

n/a

One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Cannondale Synapse Carbon Disc eTap numbers we have for size 54 are missing the chainstay length. The numbers below still compare.

Geometry side by side

Differences are the Specialized Roubaix SL4 Expert Disc UDi2 minus the Cannondale Synapse Carbon Disc eTap. Full charts: 2018 Cannondale Synapse Carbon Disc eTap, 2016 Specialized Roubaix SL4 Expert Disc UDi2.

Where each sits in its class

Cannondale Synapse Carbon Disc eTapSpecialized Roubaix SL4 Expert Disc UDi2

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.