I have about 6800 miles on the stock tires of my 2018 RM I just bought this past September. Will probably put another couple thousand on by May, so the bike should have between 8,000 and 9,000 miles on it at that time. In May, I'm headed out on a 3 week, 7,000 mile cross country trip and that should put the end mileage up to about 16,000 miles. I hate to change tires before I head out on the trip if the tires are in decent shape and have only 9k miles on them. On the other hand, I don't want to end up having to waste time getting new tires put on during the trip either. So that's the reason I'm trying to find out how many miles people are getting on the original stock Dunlops? I always got 18k -21k on my RoadStar, even riding aggresively, but not sure what to expect on the Roadmaster. Thanks in advance for your help/thoughts/recommendations.