There are several bicycle-related steel rulers that are drilled with holes the size of standard bearings. You can use these to check the size of the old bearings. I never worry about the original number of balls. Fill up the cup with one fewer than would be a tight fit.
Regards,
Jerry Moos
Houston, TX
> Hello,
>
> Question...What size and how many bearings, top and bottom, go into a
> Stronglight V4 Competition headset? I forgot they came without retainers
> and the bearings fell all over the floor!!!
>
> Thanks in advance.
>
> Regards, Rich Robinson
> Jacksonville NC