Saddle forward position - had it too far forward which encouraged me to pull up hard.
Cleat position forcing leg into unnatural position - this was hardest to change as it never felt wrong.
Used to take cod liver oil and glucosamine but not convinced it helped. A decent support bandage helped a lot though, for recovery though, not for riding in.
Things that make my knee hurt:
Used to take cod liver oil and glucosamine but not convinced it helped. A decent support bandage helped a lot though, for recovery though, not for riding in.