I bought my 18 Chieftain Ltd in summer of 19. Bike was prolly at dealer since summer of 18 and I’m sure the stock tires were manufactured in 17. So I’m riding on 2 maybe three year old tires. I only have about 3k on them as of now. . But was wondering if I have to replace on mileage or because they are 3 years old. Don’t ride high mileage a year. So when do you guys recommend me getting new tires? Should I ride them till about 7-10k or will they be to old and about 5 years by then. Thanks in advance.