Originally Posted by
Retro Grouch
Take a close look at your brake pad adjustment. A brake that rubs the tire even a tiny bit will wear through the sidewall and cause it to blow out. It's a semi-common problem.
Just bought a bike where one rear pad was out of adjustment just like that. Noticed a weird rubbing sound on the test ride and that's what I found. I don't know how the previous owner could have not heard it/ignored it.
