Could a burst inner have damaged the rim?
Very much a noob here, so apologies if I frustrate anyone. My nephew just got his first mountain bike - Ridgeback 27.5". After a few flats in the rear tyre he bought a 26" thorn resistant tube hoping that would last longer.
Now I was not present when he installed the tube, but he claims that when he was inflating the tube with a hand pump, the tube burst causing a long tear in the tyre and denting the rim.
From what I have read in other posts, it sounds like the new tube may have been pinched in the rim causing it to burst during inflation. But would this usually cause damage to both the tyre and rim? Is this even possible? I have not been able to find any posts on damaging a rim this way. Would the 26" tube be an issue on the slightly larger wheel? I would like to arm myself with some information before approaching the LBS (and to balance my nephew's version of events...).