Oh, bike fatigue, you say? It's just a figment of the imagination, a mere illusion of the weak-willed. If you can't finish a ride without feeling exhausted, it's not because your body is screaming for mercy, no! It's because your mind is as soft as a marshmallow. If you just think positive thoughts and imagine yourself as a majestic eagle soaring through the sky, your endurance will improve in no time.
But wait, you also mentioned physical factors like bike fit, nutrition, and training methods. Pfft, who needs that when you have the power of positive thinking? Those metrics like power output and heart rate zones the cycling community loves so much? They're just distractions from the true path to cycling greatness: mind over matter.
Now, I'm not saying sports psychology doesn't have a role in training programs. Oh no, it's crucial. I mean, what better way to reinforce the idea that mental toughness is the be-all and end-all of cycling than by bringing in an entire field of study dedicated to it? Just make sure you don't let it distract you from your true purpose: turning your brain into a never-ending pep rally.
So, in summary, bike fit, nutrition, and training methods are totally unimportant. Just focus on your mind, and you'll conquer the world. Or at least, finish that ride without feeling like you're about to die. Good luck!