Paris -- Hutchinson SA has introduced a bicycle tyre it claims is indestructible and 100-percent flat proof.
Instead of having a pneumatic innertube, the Serenity tyre relies on a solid microcellular - yet elastic - insert. This is combined with a special tyre, and offers comparable rolling resistance to a pneumatic system, Hutchinson claims.
One of the major drawbacks of previous puncture-proof bicycle tyres has been the effort needed to push them along.
Hutchinson said the system rolls at about the same performance as a bicycle tyre inflated to 50 psi pressure