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Constable_Savage
velohobbit
I recently made the mistake of buying some inner tubes from decathlon at 18-25mm/700c. I thought from the off they were too thin for a 25mm tyre. I've now punctured 3 out of 4, from what I don't know, but they look like they may have been pinch flats. Tyres and rims don't have any obvious issues. Are the thin/crap tubes most likely the culprit?