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So earlier this week I went out and ran some errands. It was hot,
windy, and dusty, and I hadn't had much sleep the night before, so I
decided I'd grab a bus home. Got off the bus, mounted up, started riding
the last couple of blocks home, and noticed a thumping noise. Front tire
looked like it had picked up a gob of tar or something. I stopped and
looked. It was a tumor, for lack of a better word, a split in the tire
with the tube bulging through it, the bulge growing at a visible rate. I
took off the valve cap and reached for something to let the air out with--
BLAMMO! Sounded like somebody had fired a 357 magnum. I felt SO lucky
that I was only a block from home, especially considering how far afield
I'd been.
Coincidentally, my teenage son also had a tire explode about a week
ago, on a newer (albeit cheaper) tire with far fewer miles.
So here's a question. Does anybody here know if there's an MTBF (mean
time between failures) statistic for tires? Mine was four years old and
had somewhere around 9,000 miles on it, all on the front wheel. It still
had a fair amount of tread. What's the consensus of the group? How many
miles do you let a tire get on it before you grant it an honorable
retirement?
Bill in Utah
__o | The first rule of intelligent tinkering
_`\(,_ | is to save all the pieces.
(_)/ (_) | - Aldo Leopold
windy, and dusty, and I hadn't had much sleep the night before, so I
decided I'd grab a bus home. Got off the bus, mounted up, started riding
the last couple of blocks home, and noticed a thumping noise. Front tire
looked like it had picked up a gob of tar or something. I stopped and
looked. It was a tumor, for lack of a better word, a split in the tire
with the tube bulging through it, the bulge growing at a visible rate. I
took off the valve cap and reached for something to let the air out with--
BLAMMO! Sounded like somebody had fired a 357 magnum. I felt SO lucky
that I was only a block from home, especially considering how far afield
I'd been.
Coincidentally, my teenage son also had a tire explode about a week
ago, on a newer (albeit cheaper) tire with far fewer miles.
So here's a question. Does anybody here know if there's an MTBF (mean
time between failures) statistic for tires? Mine was four years old and
had somewhere around 9,000 miles on it, all on the front wheel. It still
had a fair amount of tread. What's the consensus of the group? How many
miles do you let a tire get on it before you grant it an honorable
retirement?
Bill in Utah
__o | The first rule of intelligent tinkering
_`\(,_ | is to save all the pieces.
(_)/ (_) | - Aldo Leopold