Minimum Needed to run Snowflakes with RS Brembos

I originally installed 5mm spacers to run the Brembo brakes, but ideally, I would rather not have spacers at all. So I ordered up these 3mm spacers to see if they would allow the Focus ST Snowflakes to clear my brake calipers. Luckily it sure does!

3mm Spacers: https://amzn.to/2Ol7ZsF
5mm Spacers: https://amzn.to/2DOLSXN