Old 02-08-19, 11:14 AM
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The rim cracking issue of carbon rims (which is what I think the OP was referring to) has been a discussion item for years among MTBers, before, during, and after the tubeless evolution. So some guys just refuse to ride carbon rims regardless of tire or tube setup, for good reason - there is no real benefit. I personally don't believe it has anything to do with whether there is a tube involved or not, but would love to see the data. My son cracked a brand new carbon MTB rim from a high end manufacturer on his first ride. I could have ridden that rim for many years and never put the stress on it he does. In fact I'm going to try, because after he warrantys it, he's giving them to me once I find a suitable alloy replacement wheelset for him.
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