The Clinchulars allow you to run higher pressure. They are also argualble easier to fix a falt in a race than a clincher. You coulc also have some really nice training clincher wheels that you would put the clinchulars on for racing.
Clemment actually had these bak in the '80s
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk