Originally Posted by croshaven
What I want to know is how much or what kind of knee pain is too much. At what point should I give it a rest?
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-Craig
Craig, your body has a built in mechanism or alarm that will tell you when enough is enough and it is different in everyone. This alarm is called pain. You feel pain because something is wrong not because you ride too much or mash too big a gear being those are only a contributor to your pain. You need to find out why you have pain or what is wrong. I have had knee problems and surgery. I kept running on the thing thinking it would get better and it didn't. What an idiot. Now the problem is fixed and I can participate in the activities such as cycling etc.. You are not going to get the answer to what the root cause is on this forum. See a doctor (preferably a specialist) and take care of the root problem first. You will be much happier and may avoid a much bigger problem you cannnot overcome. Good Luck.
Now my quick answer: Give it a rest when it hurts.
Phil