My personal opinion is at least every two years or 7500 miles (which ever comes first) and this depends on the tires.
Some you'll be able to get 10K out of some 5K - It really depends on how you ride. But no matter what you should change them every other year.
Some you'll be able to get 10K out of some 5K - It really depends on how you ride. But no matter what you should change them every other year.