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1

They're more often known as tyre liners, and are usually polyurethane, about 2mm thick. I've used them on a cheap bike, that was worth less than a decent set of tyres, and eventually had trouble with the end wearing a thing patch in the tube - but they kept the broken glass and other debris out successfully. Tyre liners are already the cheap option.tyre ...


0

They're puncture resistant-ish, they can be a faff to install, they will increase your rolling resistance... I had them in my commuter's tyres as the spikes came through the tyre and pierced my tubes, but it's more a stopgap. It WILL protect against something coming through your tyre, however with MTBs the most common punctures are snakebites, and they don't ...


2

I'm guessing, but that damage looks like a blow out not a puncture from something sharp. I remember having similar daggy-edged punctures due to a lack of support - the tube was herniating out a small hole in the tube and literally exploding. It also looks like the kind of damage one gets from pinching the tube with the tyre, and then inflating. The fold in ...


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