There's been lots of discussion about mirrors. Here's a link that will give you plenty to read and lots of suggestions > http://www.google.com/cse?cx=partner...ors&gsc.page=1
I like motorcycle mirrors. I'm fortunate in that there is a big motorcycle salvage yard in town. They usually get about $5.00 for a mirror and the handlebar bracket. They're the best mirrors to use on a motorbike.