Originally Posted by
ItsJustMe
A metal back what? I haven't had an O ring mount fail on me yet. One of my lights with an O ring mount has been on the bike for 4 years. I have never had a plastic mount fail either. My PBSF mount has been on the seat post for 6 years now.
LOL!!, no, I was talking about titanium rods in my back which makes me more of a adamantium spine person.