Sounds like a nightmare. Although mine is not completely flat when mounted
in the frame, it has lasted me three years. It had the screen replaced the
year before I bought it, but I do not know whether it popped or was smashed
by a stone.
Could there be an issue with the position of the side frame
Dammit
Just cracked another Xtreme windscreen. That makes 4 (2 during build,
and 2 during 3500 miles driving). When the last one cracked I think
it was my fault - When I replaced it I noticed I'd fitted the lower
windscreen frame on the scuttle slightly angled forward relative to
the plane of th