Safe and fits just right
I had a size 11 pair of heelys and the Large sized wheels fit perfectly. They go very well with my heelys and are nice to have when using inside versus outside.
Rated 1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
Rated 0 on a scale of minus 2 to 2, where minus 2 is Narrow, 0 is Just Right and 2 is Wide