Weight Weenies

I recently purchased some carbon tubeless ready wheels which can apparently be run with tubes as well.

After 1 ride I had a slow puncture and so after inspecting the latex inner tube I noticed that the inner part of the tube was appreared damaged with what I can only describe as 'stretch marks' where the tube sits against the rim (see photo). I checked the tube from other wheel and that was the same. Any ideas what could be causing this? The rims have plastic rim tape for tubeless - maybe I should try more traditional rim tape (Velox?). Any other thoughts?

Thanks

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I run latex tubes in 3 sets of tubeless rims without issue. Replace that plastic rim strip with stans or equivalent rim tape. Not velox.

Thanks for your response. Sorry - why not Velox?

What photo? It this a plastic rim strip like what Bontrager uses? Those, for example, should not be used with tubes except in an emergency.

VilaNova wrote: ↑

Sun Dec 18, 2022 5:54 pm

Thanks for your response. Sorry - why not Velox?

Velox is far too thick and just doesn't stick all that well. We would only use Velox on the cheapest of wheels where the nipples are exposed on the inside of the rim, think department store bikes. Plus Velox eventually deteriorates. A couple of wraps of Stan's style rim tape just works better. It's also thinner, tires mount much easier.

Thanks

I also run Vittoria Latex on all my wheels (all are tubeless ready, Farsports wheels without holes in rim bed) and zero issues.

I am quite sure that your tire was the problem. I had simillar experience with other michelin's, which was perfect visually and tactilely but has minute obstrusion like spike inside the tire causing tiny puncture on the tube. I swapped the tubes for 3 times and finally gave up that tire. No punctures after this incident.

There will be some marks on tubes caused by small indentation on rim hole but that is natural to some extent. Did you do bubbling test to prove your theory?

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