For processing my reels shrink down to 6x9. If the difference between 6x9 sheet film and 120 is too great I was just going to load it onto the 120 reels. The reels are designed for loading multiple rolls. It will be a bit of a pain to load a bunch of little strips.
I just glanced at freestyle again. I only saw 8x10 but then I could cut that down to 4x5.