Pain, as the U.S. Marine Corps will tell you, is weakness leaving the body. And while nothing compares to the kind of pain one may face in the military, there is a certain amount of suffering that’s requisite with the cycling experience. The best bike riders are both physically — and mentally — talented, able to block out agony in the legs and lungs when others succumb and fall back. So how do you improve your ability to suffer? Our friends at the Global Cycling Network have some ideas. Check out this video to learn more.