• Had you checked the headset before and did you discuss with the shop that you planned to use that particular headset or was there any discussion how much would be taking off ,

  • was there any discussion how much would be taking off

    There isn't really an option of "how much".

    The reamer will have looked something like this,

    The bevel on the shoulder will centre the tool and then you just ream till the whole thing is inside the headtube.

    The only option is which headset standard you are working with 1", 1 1/8" etc and if you used the wrong reamer you'd have bigger problems than the cup being loose push fit.

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