We all have them - that point where we are happiest, relaxed and just comfortable. It doesn't matter if it's in life or on the bike, we settle into those comfort zones and stay there - either not realizing that we are there or unwilling to make a change. And sometimes, that's okay. There's not always a reason to push the limits or make drastic changes. Until there is. Until there is something that makes us realize that there is a whole world out there, filled with new experiences. Then that comfort zone becomes a barrier holding you back.   On the bike, comfort zones tend to be speed and technically related. "I'm not fast enough to line up with those girls, I'll get my ass kicked." or "That rock garden scares me so I'm not going to sign up for that race." But wait a minute. Re-read those statements. Presented like that, the comfortable sounds like a limiter, doesn't it? Instead of just keeping us safe and happy, it's holdin...