New Gen Trek Speed Concept - Replacement Headset Bearings

I need to pick up replacement headset bearings for my Speed Concept. I found the Trek part numbers in the Service manual, but I want to know the generic bearing type so I can order online. Anyone have an idea?

I need to pick up replacement headset bearings for my Speed Concept. I found the Trek part numbers in the Service manual, but I want to know the generic bearing type so I can order online. Anyone have an idea?

For the 9.9s it’s a proprietary bearing:(

http://forum.slowtwitch.com/forum/?post=6040668#p6040668