I have owned the dna rear wheel combo for sixteen days. I ride and race desert with typical low end expert skills in sthn. nv. As I started in on the first tire change, I saw a split on one side of the rim. After scrutinizing the evidence, I saw a small dent in the rim adjacent to the split, again a very small dent. My conclusion was the rim alloy most likely was a tad too soft. I am still hoping that the hub isn't junk.