Triflow is a light lubricant that comes in a small bottle with a thin dropper tube. It's perfect for puting a drop of lube right where you want it. Here's a [link=http://www.triflowlubricants.com/Superior_Drip/superior_drip.html]link.[/link] You can find it at most bicycle shops. I just oil the thrust bearings with triflow. Maybe I should pack them. Vaseline sounds ok since you want something that will not be just thrown off by the centrifugal force.