Evening gents, I have a 85 wide glide with spoked rims, I purchased some cast rims at a swap and the axle diameter is the same but Im having some spacing issues with the bearing not tightening up enough causing play. now I know the inner tube spacer is different from laced wheels to cast but Im only missing 4mm or so until it would tighten up nice. am I able to swap inner tube spacers or add a washer spacer between my tach pick up and bearing? my first build and Im a little lost.