I was pulling my HMX-2 off of my 2004 Manitou Axel Comp the other night to convert the travel from 80->100mm. When I pulled the bottom-most bolt off of the boss, I saw shards of fillings fall out of it, and to my disbelief, the whole inside of the fork boss was as smooth as could be. I just bought the bike 5 months ago, and rode it maybe a dozen times, never pulling the brakes off. What could've caused this? What can I do to get it fixed? I thank you ahead of time for any advice. Keep on ridin'