Originally Posted by prj71

FTR I have BTLOS and Light Bicycle Mountain bike wheels. Harsh environment that puts them to the test. Zero issues with either. Also have numerouls friends that have Light Bicycle on their bikes. Also zero issues. Rims aren't cracking or wobbling or anything like that.

Also have a set of HED wheels on my fat bike. For a while the "big brand name" HED with all the certifications was having problems with their fat bike wheelsets cracking. ISO certification doesn't mean much.