All I know is threaded, but...
All my bikes have threaded headsets, which apparently fell from favor because they were easy to work on, lasted forever and didn't cost much. But if you go to www.parktool.com, or just google "headset maintenance" or something similar, you'll probably find all the advice you need.
All my bikes have threaded headsets, which apparently fell from favor because they were easy to work on, lasted forever and didn't cost much. But if you go to www.parktool.com, or just google "headset maintenance" or something similar, you'll probably find all the advice you need.