If required, they're part of the New headset when you get it.. Asked at LBS Yet?
(none is needed with my 1 integrated Headset on a threadless Steerer tube bike (sealed cartridge bearings)
could be a part that could be included for threaded headsets. IDK, I'm not there to see the job.
Last edited by fietsbob; 06-14-15 at 01:19 PM.