After a few months with the Type R, I'm able to say that the Schumacher rims are very close to the PR rims when using the hexes that come with the 2018 Type R kit. I've not felt the need to try any different offset.
I'm not sure if the hexes that come with the PRs1v3FM are the same though.
Also, I did need to ream the front Schumachers ever so slighly as the front axles were a little wider.
Stew
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