I'm working on a buddys bike, 02 XR650R, that will be used 80/20, offroad,street. I have been riding & racing for almost 4 decades & I prefer the Pirelli MT21,s for D/S use. While not the best offroad tire they work decent & just plain outlast everything else I've used. This rider just wants to do some trailriding + use the bike as a work comuter. Any better suggestions???.