Wondering if anyone has experienced any problems with the combination I am using of Fulcrum wheels with 2-way fit bead hooks with Michelin Pro 4 tires with a tube installed. I rode the wheels for quite a few hours without any problems. On my last ride, the tire blew right off the rim in a violent way. Same thing happened after replacing the tube, putting in a few hours of riding, then having it blow off again.
There is no way that the bead was not seated properly or that the tube was pinched. I check this every time I put in a new tube. Considering the miles I put in before it blew, it most likely isn't the cause of the problem.
Fulcrum wheels with 2-way fit bead hooks have somewhat of a hybrid of traditional clincher bead hooks and the tubeless type. The Michelin Pro 4 tires had little wear on them, but I am wondering if tire stretch may have played a factor, especially with a bead hook that is a hybrid. Also thinking that the combination of the tire and the rim are just not a good combo.
Also, after comparing the bead on the tire to several other tires, I noticed it was smaller and more flexible than other brands.
Has anyone else had any of the same problems with the 2-way fit rim or Mich pro 4 tires as a combination or by themselves? Any speculation of what might be happening or the cause (other than it not being seated properly).
Any input would be appreciated.
Bead hook fit on Fulcrum 2-way
Moderator: robbosmans
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Having a tyre blow off usually ruins them as the bead often ends up kinked or stretched, that's if it wasn't defective in the first place. If a bead is damaged you tend not to notice it. Or perhaps that tyre was on a slightly oversize rim before you fitted it to your Fulcrums.
But you might have just found a bad combination ... meaning a slightly oversize tyre with a slightly undersize rim.
Too much powder? Grease on the rim? Grease on the tyre bead? Or lots of rain water acting as a lubricant?
But you might have just found a bad combination ... meaning a slightly oversize tyre with a slightly undersize rim.
Too much powder? Grease on the rim? Grease on the tyre bead? Or lots of rain water acting as a lubricant?
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