Thanks for the info Morcs!
Was the 18 psi for both front & rear?
I'm putting the K180s on my Yamaha TW200 project bike, a little custom/hot-rod.
I'll start with 18 psi front, 20 rear, and go from there.
When it's time to replace your K180s, don't buy from your dealer before you shop around.
I found them at Inland ATV cheaper then anybody. ~$290 free ship. They were in very short supply then, the pricing should be even better when the pipeline is full.
Find an indie dealer
You could be a good guy and offer to buy from your dealer if he will price match. Most likely he won't be able to, or want to, but at least he'll know you tried. Stay on the good side of the Parts. Mgr. if you can, but be buddies with the "Parts Dude", for sure!
I worked for Tucker Rocky Distributing for 5 years. They are a very big distributor of motorcycle aftermarket parts, tires, apparel, etc. You would not believe the HUGE discounts they give to mega-dealers like Inland ATV who buy in very large lots. A small dealer does not get those kinds of discounts.
Take advantage of the buying power of those Big Boys! Many of them are on eBay, usually under a different name.
Anybody watch Travis Pastrana duplicate Evel Knieval's jumps at Las Vegas a few weeks ago?
His jump bike was a Roland Sands specially built Indian. Know what tires they chose for that bike? The Dunlop K180!
Have fun boys...and stay out of the ditches & jail...