I used them as a frame pivot bearing on my mountain bike. I knew they weren't of very good quality, but I expected them to last a few months, not multiple trips. I gave 2 stars because I kind of knew you got what you paid for. I really needed the bearings after 2 days so I bought them. Honestly, if I had to do it again, I would buy them again, just make sure to order a proper set at the same time. (or just plan ahead)