A noob question about headsets

pastryboy
pastryboy Posts: 1,385
edited March 2015 in Workshop
Done everything to my bikes but never touched headsets. I watched a few videos online about servicing them which looks pretty straightforward. The one bit I don't get is that the headset is just taken off by hand and popped back on again.

When and where does one need a headset press as I assumed they were required as part of the process of fitting one? I'm missing a bit of information somewhere.

Comments

  • alihisgreat
    alihisgreat Posts: 3,872
    https://www.youtube.com/watch?v=GPX1sFm4kwg

    They're used to press the bearing cups into the head-tube - I'd assume that some might be a tighter fit than others, and using a press would ensure correct alignment and that the cups are pressed all the way in and seated properly.
  • rafletcher
    rafletcher Posts: 1,235
    As above. But with more modern headsets the "cups" are no longer the bearing surface for the balls, but just a profiled seat into which a cartridge bearing sits, so less prone to wear as long as properly greased on first assembly.

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