Tell us about yourself!
Happened to me today. I bought a wider seat for my mountain bike and the bolts were impossible to budge. I read through the comments and only had WD-40 on hand so I gave it a try. I sprayed both sides where each bolt/nut was and waiting a minute (maybe) and when I tried again, it budged and I was able to remove it!!! It was over 90 degrees today and humid so the 5 minutes that I spent trying to do this before reading this post was very frustrating and exhausting. Thank you all for your expert advice!