A month or so ago, I got an email newsletter from Koobi with an article about saddle lifespan. It said the projected lifespan was about 400 hours. That could explain why I was happy with mine at first and then thought it was terrible. 400 hours seems awfully short to me but I'm a tightwad.

http://www.koobi.com/technology-bicy...-lifespan.html