ERJ staff report (DS)
Paris - Following a concept launch in 2009, Hutchinson has now commercialy launched its Serenity tyre for bicycles. The product is claimed to be indestructible and 100 percent flat-proof.
Instead of a pneumatic innertube, the system relies on a solid micro-cellular (yet elastic) insert. This is combined with a special tyre. The combination is said to offer comparable rolling resistance to a pneumatic system. One of the major drawbacks of previous puncture-proof bicycle tyres has been the effort needed to push them along.
Hutchin said the system rolls at about the same performance as a bicycle tyre inflated to 50 psi pressure
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Press release from Hutchinson (French language)
Above release auto-translated into English language (from French)
Hutchinson Launches 100 percent Flat-proof Indestructible City Tyre Bike Europe (France)