2018 Cannondale Synapse Carbon Disc 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 in 54, the Specialized Roubaix SL4 Expert Disc UDi2 in 52.0 places the top of the head tube 23 mm lower and 3 mm further back, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.

Frame stack

−23 mm

Lower front end

Frame reach

−3 mm

Shorter frame reach

Wheelbase

−18 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

We can't draw these frames yet. The Cannondale Synapse Carbon Disc 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. Full charts: 2018 Cannondale Synapse Carbon Disc, 2016 Specialized Roubaix SL4 Expert Disc UDi2.

Where each sits in its class

Cannondale Synapse Carbon DiscSpecialized 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.