Wheel arche extension ( WAE ) is big enough for wheels up to:

10 x 20 OS 35 w. 255/35 R 20 or 265/30 R 20
10 x 21 OS 30 w. 275/25 R 21

We recommend to fix mot stone throw protection film ( 3M ) after painting,
in the areas where rock fall can happen.

Illustration is an example. The item is not painted.