Stage 17 Analysis: To the yellow jersey contenders, there’s nothing mysterious about l’Alpe d’Huez. They know everything they need, every turn, every pitch, and every tortuous, leg-searing kilometer. But the Alpe strips every rider down to his barest ability to climb. There is no hiding on Alpe d’Huez, no room to play games. If you have the power, you will be rewarded; and if you don’t, this climb can crush your dreams.