Front portion flips back and lays flat-ish over rear portion, and all windows can be removed and stored in an overhead built in pouch. I like just using the top as a full bikini top. And having onboard window storage was critical for my use when I drive this to work for my 12 hour shifts, as...
Not really, the well nut is thicker because of the rubber housing, so it’s what fits through and fills the hole and leaves enough room to both thread and collapse the rubber as you tighten without breaking the rubber. The RIV NUT needed to be an M10 to accomplish the same thing.
My instructions were relevant to the Riv Nut you received. So I do not have the info you are looking for. Except, M8 was the bolt size that threads into it.
No, just thread the bolt and tighten. Problem was that they sent the riv nut bolt, and it was too short to reach the threaded portion of the well nut. Otherwise, very easy to use.