Now you have to scale these faces on the deaph of the rim, so it looks like pic4.
(so the selected faces get the same deapth as before, since the beveling made them smaler)

pic4

Then extrude 3 times (still in local), and bevel the last like in pic5.

pic5

Select the faces on the back on the spokes, and move to the front to make the spokes thiner, like pic6.

pic6