where do the spacers go?

I am embarassed to ask this, but, where do the spacers go on a hub, when the forks are wider than the hub and spacers are needed? Do they go inside of the bearings or outside?

to move the bearings farther away from the hub

(frame too wide)

Re: where do the spacers go?

They basically position the bearings so that the frame doesn’t have to flex to meet the bearings. This assumes that the frame matches the hub in a reasonable way. On splined hubs they also serve the purpose of positioning the cranks and securing them from sideslip. So it depends on how your frame sits on the hub and where the bearings want to be.