Have a look at this..
http://www.ukmonster.co.uk/monster/s...ad.php?t=50319
Then read post #17 for details.... I don't know if the bike started off with a hoop or not, but you get the idea.
P.S. JMo must have described her conversion in great detail in a dedicated thread somewhere, but I can't find reference to it..Any veterans know where it is , what it's called??