One other thing I forgot to mention is some of the guys here were trying a ptfe dry lube on the correctly clearanced exposed idler/brake gear which seemed to work great for them. I think I remember one guy say he used teflon pan spray?, stuff like this...

http://pridemarine.com/index.cfm?category=10012%7C10758

http://thebikeshop.com/itemdetails.c...gId=39&id=1096

http://www.globalspec.com/FeaturedPr...romSpotlight=1

http://www.dicronite.com/