The 4/4 wheels have the most inset, and I had to oval the bars in my vice, and cut a triangle off the bottom corner of the stay to get clearance. Even now it's paper thin, but does clear.

My Roadster didn't need any of that and clears easily.

DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4