Somewhat related, I'm looking at these to use with the stock mirrors for now until I find a set of black bar end mirrors that I'm happy with.
Xitomer for FZ 07 Mirror Risers, 4 pcs M101.25 Motorcycle Rear View Mirror Extenders 40mm, Fit for YAMAHA MT-09, HONDA CB1000R/ Grom MSX125, KAWASAKI...