Quote Originally Posted by cyclechick2008 View Post
rule of thumb, every 600 miles running or yearly. That's what I was told by my friend that is a runner.

kim
Really?

I have always heard 300 miles or 6 months. That's what I go by. And they are ready to be changed out at 300 miles... I can't imagine going to 600 miles in them. But I do run. For just casual walking I'm sure 600 miles would be fine.