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Dottie and Her Mystery Flat

by Bike Shop Girl

Cut TireLast week Let’s Go Ride a Bike talked about a mystery flat that happend on Mr. Dottie’s bike.  The cut in the tire is pretty intense and almost across the whole tire and tube.

The cheap tires that came on Mr. Dottie’s Jamis, on the other hand, have had several flats in their lifetime. The most extreme flat happened last week – a clean slice straight across the tire itself. He went back to try to find the culprit, but did not see anything that could have sliced a tire, other than a grated bridge, but that seems unlikely. The problem cannot be a defect with the tire itself, because the tube was also sliced. Any ideas? Has this happened to anyone else?

Have you seen something like this before and have input on what could of happened.  Let her know!

 
Burley nomad 229

2 Responses to “Dottie and Her Mystery Flat”

  1. Bruce says:

    My guess would be that whatever cut the tire dropped through the grated bridge after the bike ran over it. I ran over a piece of metal one time that put a good slice up the side of my tire, though not quite as bad as this one.

  2. Mike says:

    If the tyre had burst, the tear would have been at 90 deg to this fault. It has to be a cut. Many years ago I had a similar cut right across the front tyre of my motorbike – luckily I spotted this and was able to change the tyre before it failed.

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