I cut the inner and outer ridge +-1mm lower, because the tire otherwise doesn't touch the rim well. I also use foams inside and glue them on a wide wheel, just like most people do with slim mini spikes. Didn't try them on narrow wheels yet.
Compared to selfmade dremeld staggers, I find that the new cut staggers give more high speed, but slower low speed steering. Maybe need to try them narrow with softer foams?
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