I have an R1 and have Mikunis on my bike. Go to www.yoyodyneTi.com. The company is called Yoyodyne Titanium and the owners name is Fred Renz. They are expensive but worth it if you want to be different.
Yoyodyne is the sole distributior in the US. He orders direct from the manufacturer in Japan. Trust me if I could have got them cheaper from somewhere else, I would have. Here is a pic of the whole bike: