DukeDesmo has flat bars on his 900. Picture in post #13
http://www.ukmonster.co.uk/monster/s...hlight=bar+end
Not sure if that's similar to mountain bike ones you mention? I messed about with loads of different options on my S4 and ended up with clip-ons with risers which can be adjusted to give me any sort of height or angle that I desire, within reason of course.
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Roast Beef Monster!
Termignoni and Bucci - Italian for pipe and slippers!
S4 Fogarty, S4R 07T, 748, Series 1 Mirage