I've been riding these tires for about 5 months now with no issues whatsoever. I set these up on some non-tubeless ready Easton's, added some Stan's NoTubes and put these raw UST's on! The tires have been very grippy and have been great for the S. Florida trails ( Lots o' roots/Sandy/hard packed/man made obstacles ). I originally had a fear they might blow out since the rim isn't UST ready, but am now confident and am not holding back on the trails. Since I've had this new setup I've been taking obstacles that before were problematic. Steep inclines have become less challenging. 2 weeks ago I forgot to check the PSI's or add air, rode all day with no issue. Later found out I was riding at 24 PSI's!! That alone makes me trust this tire even more and give it 5 starts. These are the dirty dirt!