Doing a little bit of research and mod prep on a BMW R1100GS that I'm picking up shortly. I have zero experience with bikes that run a 19" front, but I know that it certainly limits my tire choices. The bike will see a fair amount of dual sport use where it will probably wear a set of Anakee's, Tourance, or I also understand that Heidenau K60's are a good option for their price? Anyhow, not too worried about finding a dual sport tire. What I am curious about... the hooligan in me says that I'm going to need a set of tires on this thing that will allow me to drag hard parts to my heart's content. Hell, I will probably haul this thing along to a track day or two just for kicks. So I'm going to need the best rubber that will perform and is available in the awkward sizes the bike demands (or an equivalent that fits the stock rims). OEM spec is 110/80/19 front and 150/70/17 rear. So far it seems like the Pilot Road 3's might be my best option. I also noticed the Pirelli Scorpions are made in those sizes.. and I have seen someone successfully flog a Multistrada on a set of those. Another option might be Avon Distanzas? Anywho, if anyone has experience with tire choices for these sizes I'd love some input.