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edscoble
@Rhodrich
Various types of foam tyre have been tried over many years, and none of them have proved to be as good as proper tyres. With a normal tyre, you've got all the air in the tyre acting as a 'spring', despite the contact patch being small. With tyres like this, you've only got a small amount of closed cell foam near to the contact patch.
This means that the ride quality is dreadful. If you're worried about punctures, just put Marathon Plusses on. Still fairly dead feeling compared to a nice lightweight tyre, but a million times better than foam tyres.