B Billy Bob New member Sep 16, 2010 #1 ...second rotation, is that bad? I realized after doing lots of running, or MTB my knees started to crack a lot when i did things, so i started biking but my knees still crack a lot. help?
...second rotation, is that bad? I realized after doing lots of running, or MTB my knees started to crack a lot when i did things, so i started biking but my knees still crack a lot. help?
