Originally Posted by
Lazy Dog
If you haven't had any flats or other issues, why would you change them?
Curiosity about what might, still, be better?
The GP4K is the standard answer around here. I run them, and they're very durable, but there's a contingent that prefers the Michelin Pro4 Race Service Course as being nicer (though possibly less durable). Either will likely be better than the Luganos.