You change your front end or your wheel (s), or build a bike from the ground up. Nothing you can do without the right spacers. And don’t expect that the front end or wheel manufacturer is going to tell you or provide the right spacers setup. Why? Because it’s impossible due to the multitude of possible configurations and hub sizes. So, you call or email pro-builders for advice. You tell us that you even don’t know where to buy spacers. Especially 1” inside diameter spacers that few motorcycle shops seem to keep stock. Here is a good address to buy polished bar stock aluminum wheel spacers packs & kits in different ID’s and widths. They are easy to cut to perfectly adjust the centering of your wheels. Doherty Machine.