Originally Posted by D.T.
Their popularity seems to have faded a bit. I was really into them about 10 years ago. I like my 18r and 21 inch wheels just fine for my old XT. I can get Avon distansias and call it my supermoto. Or IRC GP 110's and it's my dual sport which I like a bit better than supermoto. Big singles vibrate too so long road trips aren't any fun.
You're not riding the right big singles. DRs, 690s, and TEs are pretty smooth unless something is wrong.