While adjusting my brakes before Saturday’s ride I noticed that the rear tire looked kind of funny around the spot that the tire cord cinches into the wheel. I made a mental note of it but that’s all. Well, about 3 miles into the ride I had an instant blowout. It sounded like a gun shot and was immediately flat. The tire must have bulged out from the wheel and the tube exploded through the gap.
The tube had a nice 5 inch rip in it. The tire had some cord sticking out of the edge for about ½ inch. I replaced the tube and carefully replaced the tire - watching the tender spot that had the bad cord.
Well on Sunday, I checked the tire. It looked ok. I made sure the tire was 5 lbs below max and started out. After about 20 miles I was flying down the last hill before the homestretch when I had another massive blowout. It took me about 30 feet to stop. I could feel that I was riding on the rim and across the flat tire for the whole 30 feet.
I’m worried about my rim. I took it to the LBS and told them to give it a god check up and true it before installing a new tire. Do I need to do anything else, (besides getting smarter about listening to warnings from my bike)?